PAI NTI NG 1. Whati st heSwedi shst andar dofsur f acepr epar at i onandhowdoesi tdi f f er f r om BS4232? SI S–05– 5900i st heSwedi shst andar dofsur f acepr epar at i on.I ti sa pi ct or i al r epr esent at i on. 2. St at et heSwedi shgr adeofbl astcl eani ngandcompar et hem t oBS4232. SI S–05–5900 Sa3 –Whi t eMet al . Sa2½ -NearWhi t eMet al ( Ver y t hor oughbl ast i ng) Sa2 –Thor oughbl ast i ng Sa1 –Li ghtBl ast i ng 3. BS4232 Fi r stQual i t y SecondQual i t y Thi r dQual i t y N/ A I dent i f yt hr eeabr asi v esusedi nbl astcl eani ngandst at et hei ruse, adv ant agesanddi sadv ant ages. Chi l l edi r ongr i t , cr ushedsl ag, cer ami cgr i t s. Chi l l edi r ongr i t :Excel l ental lpur poseabr asi v e,duet oi t sr el at i v el yhi gh densi t y whi chgi v eshi ghpar t i cl eener gy ,mai nt ai nsshar pcut t i ngedgesont hegr i t . Canbe r eusedcausesr oguepeaksi fdi r ect edatapar t i cul arpl acef oraqui etl ong t i me. Cr ushedsl ag: Fr om amet al l ur gi cal pr ocessi ti scheap/expendabl e abr asi v e.Qui et ef f ect i v egr i tf oroneuseonl y .Nor ecl amat i onduet ot hei rr api dbr eakdown t o dust .Nor euse.E. g.coppersl ag, al umi ni um. Cer ami cgr i t s:Expensi v egr i t .Ret ai nst hei rshar pcut t i ngedges.Canbe Page0of1 usedon har dbasemat er i al s.Usedatl owerpr essur eont hi nmet alandonst ai nl ess st eel , nonf er r ousmat er i al sast heyar ei ner tanddonotst ai nordi scol our s. 4. Whatdosur f acepr of i l eandampl i t udemean? Theshapeofacr oss–sect i onalbl astf i ni shi sknownassur f acepr of i l e. Thesi zeof pr of i l e as measur ed f r om t he peaks t ot he t r oughs i s known as t he ampl i t udeorpeakt ot r oughhei ght . 5. Whati st hemaxi mum ampl i t udeonBGCpai nt i ngcont r act ? 75mi cr ons.( Max) 6. 30mi cr ons( mi n) Cansandbeusedasanabr asi v ei nbl astcl eani ngoper at i on? No. 7. Howar et heSwedi shst andar dsofwi r ebr ushi ngdef i ned? St 2 – Wi r e br ushi ng bymanualmeans,t hor ough scr appi ng and wi r e br ushi ng. St 3–Ver yt hor oughscr appi ngandwi r ebr ushi ngbymachi nebr ushi ng. 8. Descr i bet het wobl ast i ngt echni quest hatusewat er . Sl ur r ybl ast i ngandwetbl ast i ng. 9. Whati sami cr onandhowmanyar et her ei nonet hou? Mi cr oni sameasur ementoff i l mt hi ckness.Onet hou=1/ 1000ofani nch. 25. 4mi cr ons=onet hou,40t hou=1mm. 10. Howt hi ckar ei mper i al andmet r i cv al uesofapl ast i cbacki ngoft est ex? Page1of2 I mper i al =50mi cr ons Met r i c=0. 2mi l 11. Whatdi sadv ant agesi sassoci at edwi t hwi r ebr ushi ng? Car e mustbe t aken t o av oi d ov erbr ushi ng a par t i cul arar ea causi ng “ Bur ni shi ng”acondi t i onwi t hapol i shedsur f acet hathasanadv er seef f ect oncoat i ngadhesi on.Ver yl abor i ousandexpensi v e. 12. Whati sJason’ shammer ?Wher ecoul di tbeused, whatr est r i ct i onsar e associ at edwi t hi t suse? Needl eguni sJason’ shammer .Needl egunsar eusedf orcl eani ngdi f f i cul t sur f aces suchasr i v etheadsandwel ds.Theyl eav eshar pedgecr at er sandr ogue peaks, and t heyhav eat endencyt opushi mpur i t i esi nt ot hesur f ace. 13. Expl ai nt hef oot nerpr ocessandsequenceofoper at i on. Phosphat i ng–f oot nerordupl expr ocess:t hi st echni quei nv ol v esaf i nal t r eat menti naonet ot woper centphosphor i caci dsol ut i onhel dat80 cf or onet ot womi nut es.Thi sl eav esat hi nar usti nhi bi t i v ephosphat ecoat i ng ont hest eelsur f acet owhi cht hecoat i ngshal lbepr ef er abl yappl i edwhi l ei t i sst i l l war m, possi bl yaf t eraf i nal wash. 14. Howdoest hef l amecl eani ngpr ocesswor kandwhatpr ecaut i onsar e necessar yi fi ti susedf orBGC? Cl eani ngoft hesur f acebypassi ngahi ghv el oci t yoxy acet y l enef l ameov er t hesur f acet obecl eaned.Thepr ocessr emov esmuchoft hemi l lscal eand r ust ,butl eav esadustont hesur f ace,whi chhast ober emov edbywi r e br ushi ng. 15. Whati smi l l scal eandi si tmor eorl essnobl et hanst eel ? Mi l l scal ei sanoxi deofi r onpr oducedwhent hest eel i smanuf act ur ed.I ti sa r esul tofhotst eelcomi ng i nt o cont actwi t h ai rand f or mi ng oxi des composedoft hr eel ay er s,FeO,Fe2O4andFe2O3.Mi l lscal ei snobl et han st eel . 16. Whati sar oguepeak?Whatpr obl em cani tcause? Page2of3 Roguepeaksar epeaks,whi chst andoutabov et her equi r edpr of i l e.They l eadt ospotorf l ashr ust i ng. 17. I fasur f acei sdesi gnat edBsa2½, whatdoesi tmean? Rustgr adeB, bl astcl eant oSa2½. 18. Descr i bet het womet hodsofmeasur i ngt heampl i t ude. Sur f acepr of i l eneedl egauge:Rel i esont heneedl et ouchi ngt hebot t om of t het r oughsont hesur f acepr of i l e.Take20r eadi ngsandcal cul at et he av er ageofampl i t ude. Test ext ape: 1.Zer ot hemi cr omet erensur i ngf l atcont actpoi ntandcl eant i pofi t . 2.Remov et hepaperbacki ngf r om t het est ext apeandst i ckt het est ex t apet ot hesur f acet obemeasur ed. 3.Rubt het est exi nt ot het r oughsusi ngabl unti nst r ument , unt i lt hepeaks canbeseenbut t i ngupt ot het r anspar entpl ast i c. 4.Remov et het est ext apef r om t hesur f aceand measur et heov er al l t hi cknesswi t hdi al mi cr omet er . 5.Deduct50mi cr onsf ort hepl ast i cbacki ngf r om t her eadi ngt oobt ai n ampl i t ude. 19. Gi v ef i v eessent i al r equi r ement sf orabr asi v ebl ast i ngatsi t e. 1.Remov essur f acecont ami nat i on. 2.I tgi v esasur f acepr of i l e. 3.Economi cal andef f i ci entway . 4.Bet t err esul t st hanot hercl eani ng. 5.Rel at i v el ysaf e. 20. Descr i bet heact i onandpur poseofdeadman’ shandl e. Deadman’ shandl ei susedf ordi r ectoper at orcont r ol , t ost opoft hef l owof abr asi v ewhent heoper at orl et sgooft henozzl e. 21. Wher eshoul dai rpr essur ef orbl ast i ngbedet er mi nedandhowi si tdone? Page3of4 Thepr essur eatt henoz zl emaybemeasur edusi ngt hehy poder mi cneedl e gauge.Thi si spl acedt hr ought hehoseneart ot henozzl ewi t ht hehol ei n t heneedl ef aci ngt henoz zl eat45 . 22. I dent i f yt wobl ast i ngnozz l esbyshape.St at eadv ant ageofeach. St r ai ghtbor enoz zl econcent r at esmostoft heabr asi v ei nt hecent r alar ea oft hebl astpat t er n,f r i ngear eaofl owerbl ast i ngsi ze.Forsmal lorr epai r ar easandsof t ermet al s. Vent ur ishapednozzl epr oducesal ar gebl astpat t er nwi t ht hewhol ear ea r ecei v i ngr el at i v el yequalamountofabr asi v e.Gi v esanev enbl astpat t er n ar eaov erar el at i v el yl ar gear ea. 23. Descr i beat estf ordet ect i ngmi l l scal eonabl astcl eansur f ace. Anaci di csol ut i onofcoppersol ut i onwhenappl i edt oabl astcl eansur f ace wi l lr eactbyt ur ni ngt obr i ghtcol ouroncl eansheetbutwi l lt ur nt obl ack col ouri fmi l l scal ei spr esent . 24. Whi chBGCcodeofpr act i cer el at est obl astcl eani ngatsi t e? BS7079. 25. Whati sapol y merandwher edot heyoccur ? Pol y merpr oducedbyt hegr owt hofsui t abl est abl emol ecul escal l ed monomer s. Monomer s, t heyoccuri nsy nt het i cr esi n, pol y ur et hane. 26. Whati spol y mer i zat i onandhowi ti sbr oughtabout ? Pol y mer spr oducedbyt hegr owt hofsui t abl est abl emol ecul escal l ed monomer s. Thepr ocessbyt hesemonomer sar ej oi nedt oget heri scal l edcr ossl i nki ng andt her esul tasi nt hehar deni ngofdr y i ngoi l t y peofpai nt . 27. Whatar econv er t i bl eandnonconv er t i bl ecoat i ngs? Conv er t i bl ecoat i ngsar et hoset hatunder goachemi calchangedur i ngt he Page4of5 dr y i ngpr ocesst hatcannotber ev er sede. g.al ky depoxy . Nonconv er t i bl ecoat i ngsar et hose,whi chaf t ert heyhav edr i edmaybe r est or edt ot heor i gi nall i qui df or m byt heappl i cat i onofsol v ent .E. g.Ni t r o cel l ul oseandchl or i nat edr ubber , t her mopl ast i cr esi ns. 28. Whatar et hebasi ccomponent sofpai nt ? Pai ntconsi st sofbi nder sorr esi nsi nwhi chpi gmentorcol our i ngmat t eri s suspended.Usual l yt hebi nderi sdi l ut edbyt headdi t i onofasol v ent . 29. Whatar et hechar act er i st i csofM. I . Oandi t sadv ant ages? M. I . O –Mi caceousi r onoxi de:I tdecr easest heper meabi l i t yoft hef i l m. Pr ot ect st hesubst r at ef r om t heenv i r onment .I nt er f er eswi t ht hecor r osi on r eact i ons( i nhi bi t or s) . 30. Whati st hef unct i onofbi nderandpi gmentcont ent ? Bi nderconsi st sofoi lorr esi nsorbl endofoi l sandr esi ns.I t ’ sessent i ali s t hef i l mf or mat i on,t heabi l i t yt ochangef r om l i qui df i l m whi chf l owst oa mor eorl esshar dpl ast i cf i l m. Pi gmenti susedf orcol ourort omodi f yt hephy si calpr oper t i esofbi nder r esi ns.Topr ov i der usti nhi bi t i ngpr oper t i es.Topr ot ectt hef i l mf r om t he ef f ect soful t r av i ol etl i ghtandweat her .Toaddbody . 31. Nameei ghtbi nder s. 1.Nat ur al dr y i ngoi l s – 2.Ol eor esi nousoi l s 3.Conv er t i bl ebi nder – 4.Nonconv er t i bl ebi nder– Li nseedoi l , t ungoi l – Al ky ds, r esi ns Vi ny l , ni t r ocel l ul ose, chl or i nat edr ubber . Epoxy , ur et hane, pol y est er . 32. Whati st hef unct i onofsol v entandi t smai npr oper t i es? Sol v ent sar ev ol at i l eor gani cl i qui dsusedi npai nt st or educet hev i scosi t yor consi st encyoft hemat er i alandt of aci l i t at et heappl i cat i onofauni f or m coat i ng. 33. Namef i v esol v ent sandt hei rassoci at ebi nder s. Page5of6 1.Wat er–Wat erbasedpai nt s, emul si ons 2.M. I . B. K–Vi ny l 3.M. E. K–Epoxi es. 4.Acet one–Epoxy 5.Tur pent i ne/whi t espi r i t–Al ky ds 6.Tol uene/xy l ene–Chl or i nat edr ubber . 34. Expl ai nT. L. V, M. A. C, P. P. M T. L. V–Thr eshol dl i mi tv al ue M. A. C–Maxi mum al l owabl econcent r at i on P. P. M –Par t spermi l l i on 35. Howi st oxi ci t yofasol v entmeasur ed? Tr i –Tect orcanmeasur et oxi ci t y . 36. Def i net het hr eet y pesofdr y i ngmechani sm. Ev apor at i on:Thi si nv ol v est heev apor at i onofasol v entf r om t hev ehi cl e, l eav i ngbehi ndaf i l m ofsol i dmat er i al . Chemi calr eact i on:Pol y mer i zat i on–mol ecul argr owt hbycr ossl i nkageof t her esi ns. Oxi dat i on:Thi si nv ol v est heconv er si onoft heconst i t uent soft hev ehi cl et o t hesol i dst at ebychemi calchangesi nv ol v i ngmai nl yoxi dat i onbyr eact i on wi t hat mospher i coxy gen. 37. Howdochl or i nat edr ubber , epoxyandal ky dpai ntdr i es? Bychemi cal r eact i onandsol v entev apor at i on. 38. Whati smeantbypotl i f eandhowdoesi tdi f f erf r om t hei nduct i onper i od? Potl i f ei st het i mel i mi twi t hi nwhi cht hemi xedcomponent scanbeused e. g.f i v emi nut esat20 c. I nduct i onper i odi st het i meofmi xt ot heappl i cat i ont i me. 39. Whatar epl ast i ci er sandwhatar et heyusedf or , gi v ee. g. ’ s? Pl ast i ci er s ar e usual l yl i qui dsand musthav e a mi ni mum t endencyt o Page6of7 v ol at i ze so t hatt heywi l lr emai ni nt he f i l m.E. g.camphor ,cast oroi l , chl or i nat edwaxes. 40. Whatar edr y er sandwhyt heymi ghtbeaddedt ooi l basedpai nt s? Dr y i ngagent( Si ccat i v e)i saddedt oanoxi dat i v epai ntt ospeedupt he dr y i ngpr ocess.Si ccat i v ei ncr easest hecapaci t yoft hebi ndert oabsor b oxy gen. 41. Whati st hef or mul af ordensi t y ? Densi t y=Mass/Vol ume.( Uni t s–gms/cubi ccent i met r e) 42. Whati scat hodi cdi sbondmentandunderwhatcondi t i onsdoesi toccur ? I ft hei mpr essedcur r enti sgr eat ert hant hecor r osi oncur r entt hent he cat hodi cdi sbondi ngmayr esul t .Thi sef f ecthappenswhenexcessi v eCP cur r enti ssuf f i ci ent l yst r ong t o begi nt o gener at e gasesatt he met al sur f acebyapr ocessofel ect r ol y si sofmoi st ur eont hesur f ace.Thegas gener at edpushest hecoat i ngf r om t hesur f aceandcausesadhesi onf ai l ur e beneat ht heedgesoft hecoat i ng. 43. Expl ai nr el at i v ehumi di t yanddewpoi nt . Rel at i v ehumi di t yi sdef i nedast heamountofmoi st ur e( wat erv apour )i nai r compar ed wi t ht he maxi mum possi bl ei n ai r .I ti s expr essed as a per cent age. Dewpoi nti sdef i nedast het emper at ur eatwhi chcondensat i onoccur s. 44. Namef i v emet hodsofpai ntappl i cat i ons. 1.Br ushappl i cat i on 2.Rol l erappl i cat i on 3.Di pcoat i ng( el ect r ost at i ct echni que) 4.El ect r ost at i cspr ayappl i cat i on 5.Conv ent i onal spr ayappl i cat i on 6.Ai r l essspr ayappl i cat i on 45. St at et headv ant agesofai r l essspr ayov erconv ent i onal spr ay 1.Ai r l essspr ayappl i esmostt y pesofpai ntmuchf ast ert hananyot her manual l y Page7of8 oper at edmet hodofpai ntappl i cat i on. 2.Ast hepai nti snotunderpr essur et hepumpcanoper at ef r om t he manuf act ur er ’ scan. 3.Becausenoai ri sused, t her ei snoov erspr ay . 4.Auni f or mt hi ckcoati spr oduced, r educi ngt henumberofcoat sr equi r ed. 5.Av er ywetcoati sappl i ed, ensur i nggoodadhesi onandf l owout . 6.Mostpai nt scanbespr ay edwi t hv er yl i t t l et hi nni ng. 7.Not hi nnagesont hespr aypat t er nmeansnoov er l appi ngi neachst r oke wi t hwi def or m pat t er n.Thi smakesai r l essspr aymuchf ast ert han conv ent i onal spr ay . 8.Becauseoft heev enspr aypat t er nandcl eanage,cut t i ngatangl escan beachi ev ed. 9.Thesi ngl ehoseconnect i ont ot hegunmakesi teasi ert ohandl e. 1.PAI NT 1. Whati spai nt ? Pai nti saf i l mf or mi nf l ui dt hati sspr eadi nt hi ncoat st odecor at eandor pr ot ectasur f ace. 2. Whatdoespai ntcont ai n? Page8of9 Pai ntconsi st sofbi nder s, r esi ns, pi gment sandext ender s. 3. Whatar et hei mpor t antpr oper t i esofpai nt ? 1.Pr ov i desadhesi ont ot hesur f acebei ngpai nt ed. 2.Col ourr et ent i onandst abi l i t y . 3.Gl oss 4.Per meabi l i t y 5.Mechani cal pr oper t i es–Har dness, r esi st ancet oabr asi onorexpansi on andcont r act i onduet ot emper at ur echanges. 4. Whati nf l uencest hemechani cal pr oper t i esofapai ntf i l m? Nat ur eofsubst r at eandacoat i ngwi t hi deal char act er i st i cs. 5. Whati sabi nderandwhatdoesi tdo? Bi nderconsi st sofoi l sorr esi nsorabl endofoi l sandr esi ns.I t sessent i al f unct i oni sf i l mf or mat i on.Theabi l i t yt ochangef r om al i qui df i l mt hatf l ows t omor eorl esshar dpl ast i cf i l m. 6. Whatar emoder nbi nder smadef r om? Manuf act ur edf r om sy nt het i corr esi ns. 7. Whati scr ossl i nki ng, ‘ ex pl ai nbet t eri nepoxycoat i ngspeci f i cat i on’ ? Pol y meri spr oducedbyt hegr owt hofsui t abl est abl emol ecul escal l ed monomer s.Thepr ocessbywhi cht hesemonomer sar ej oi nedt oget heri s cal l edcr ossl i nki ngandt her esul ti sasi nt hehar deni ngoft hedr y i ngoi l t y peofpai nt . 8. Namet hef ourgr oupsofbi nder s. 9. 1.Nat ur al dr y i ngoi l s 2.Ol eor esi nousoi l s 3.Conv er t i bl e 4.Nonconv er t i bl e Whatar epi gment s? - Li nseedoi l , t ugoi l . Al ky d Vi ny l , ni t r ocel l ul ose Epoxi es, ur et hane, pol y est er . Pi gment sar esmal l par t i cl est hatar esol ubl ei nt hepai ntsol v ent st hatmay beusedf orcol ourort omodi f yt hephy si cal pr oper t i esofbi nderr esi ns. Page9of10 10. Namet het wogr oupsofpi gment s. Or gani cpi gment I nor gani cpi gment - I ndi any el l ow. Ti t ani um di oxi de. 11. Whyi spi gmentaddedt opai nt ? Topr ov i decol our , hi det hesur f ace, pr ot ectt hef i l mf r om UVl i ghtand weat her , decr easet heper meabi l i t yoff i l m, r ust i nhi bi t i ngpr oper t i esadd body . 12. Whati sM. I . O.andwhatar ei t sadv ant ages? M. I . O.–Mi caceousi r onoxi dedecr easest heper meabi l i t yoff i l m.Pr ot ect s f r om UVl i ghtandf r om t heenv i r onment . 13. Whatar eext ender s? Ext ender sar eaddedt opai nt st oaddt hi cknesse. g.chal ks, chi nacl ay , and t al c. 14. Whatar eant i ski nni ngagent sandwhatdot heydo? Adr y i ngagenti saddedt oanoxi dat i v epai ntt ospeedupt hedr y i ngpr ocess. E. g.compoundsofl ead, cobal t . 15. Namet het wogr oupsofpai nt s. 1.Non–conv er t i bl ecoat i ngs, e. g.ni t r ocel l ul ose, t her mopl ast i cr esi n 2.Conv er t i bl ecoat i ngs, e. g.al ky ds, epoxyr esi n. 16. Namet hr eeway sapai ntsy st em candr y .Expl ai neachmet hod. 1.Ev apor at i onofsol v entf r om t hev ehi cl el eav i ngbehi ndaf i l m ofsol i d mat er i al . 2.Oxi dat i oni nv ol v esconv er si onoft heconst i t uent soft hev ehi cl et ot he sol i dst at ebychemi calchangesi nv ol v i ngmai nl yoxi dat i onbyr eact i on wi t hat mospher i coxy gen. 3.Chemi cal r eact i on–pol y mer i zat i on.Mol ecul argr owt hbycr ossl i nkage. Page10of11 17. Expl ai nconv er t i bl eandnonconv er t i bl ecoat i ngs. Conv er t i bl ecoat i ngsunder goachemi cal changedur i ngt hepr ocesst hat cannotber ev er sed. Nonconv er t i bl ecoat i ngsar et hoset hatcanber est or edt ot hei ror i gi nal l i qui df or m af t ert heyhav edr i ed. 18. Namet woheav y dut ycoat i ngsandwhatar et hei rdi sadv ant ages? Coal t ar , asphal t i cbi t umen.Appl i edatel ev at edt emper at ur es260 c, f umes –f i r ehazar dous. 19. Whatar epl ast i ccoat i ngsandhowar et heyappl i ed? Useofpl ast i csf orcor r osi onr esi st antcoat i ng. 1.Di ppi ngt hepr eheat edobj ecti nt oei t heral i qui dpl ast i corapowderof pl ast i c par t i cl es. 2.Spr ay i ngpowderpar t i cl esont ot heheat edobj ectort hr oughf l ameont o t he obj ect . 3.Byext r usi on. 20. Whati st hedi sadv ant ageofpl ast i ccoat i ngs? Poorbondi ngt ot hesubst r at e.St r essesi nducedbyt heheat i ng/cool i ng cy cl e. 21. Whatar esel fadhesi v et apes? PVCorpol y et hy l enebacki ngwi t har ubberbaseadhesi v ewr appi ngt apes. 22. Whati spol y et hy l enecoat i ng? Si nt er i ngapowderdi r ect l yt ot hepi pe, i nmucht hesamewayasanepoxy powder . Hotext r usi onont oanadhesi v eormast i c. 23. Whyi sconcr et ecoat i ngused? Page11of12 I tact sasbal l astandensur est hatt hepi pel i newi l l hav enegat i v ebuoy ancy ev enwhenempt y . 24. Whati sant i f oul i ng? Topr ev entgr owt hofmar i neor gani sms. 25. Whatar epowdercoat i ngs? Useoft her mopl ast i cpowder s. 26. Whatar et her equi r ement sf orpr i mi ngpai nt s? To secur egood wet t i ng oft hesubst r at eand pr ov i deadhesi ont ot he subst r at ef ort heent i r esy st em.Tocont r ol cor r osi onofst eel s( byi nhi bi t i on) . 27. Whatar esol v ent s? Sol v ent sar ev ol at i l eor gani cl i qui dsusedi npai nt st or educev i scosi t yor consi st encyoft hemat er i alandt of aci l i t at et heappl i cat i onofuni f or m coat i ng. 28. Whatar et hei mpor t antf eat ur esofsol v ent s? Rat eofev apor at i oni ft oosl owl eadst or unsorsags, i ft oof asti tl eadst o dr yspr ayandpoorf i l m. Fl ashpoi nt–Fi r ehazar d. Toxi ci t y –Heal t hhazar d. 29. Whati st heM. A. Cofcommonsol v ent sgi v ev al ues? M. A. C–Maxi mum al l owabl econt entl i mi t i ngv al uef ort heexposur e. Xy l ene Tol uene Benzene Acet one M. I . E. K Car bont et r achl or i de 200 ppm 200 ppm 100 ppm 1000ppm 100 ppm 10 ppm. Page12of13 30. Whatar et he Posi t i v ef eat ur es 1.Excel l entext er i ordur abi l i t y Negat i v ef eat ur es 1.Poorchemi cal andsol v ent Resi st ance. 2.Goodf l exi bi l i t y , r ecoat abi l i t y 2.Fai rwat err esi st ance. 3.Excel l entadhesi ont omoi st 3.Poorheatr esi st ance. sur f aceandeasi ert oappl y . Al ky d Chl or i nat ed r ubber . 1.Fastdr y i ng. 2.Goodchemi cal andwat er r esi st ant . 3.Goodext er i ordur abi l i t y . 1.Li mi t edheatr esi st ance. 2.Poorsol v entr esi st ant . Epoxy 1.Excel l entchemi cal and sol v ent r esi st ant . 2.Excel l entadhesi on. 2.Di f f i cul tt oov er coat . 3.Goodhi ghbui l dcapabi l i t i es, 3.Mi st akespossi bl ei nmi xi ng andgoodl ongt er m and per f or mance. appl i cat i on. 3.Bl astcl eanedsur f ace r equi r ed 1.Poorgl oss, t oext er i or exposur e. 31. Namef ourt y pesofsol v ent s. 1.Hy dr ocar bons –Tur pent i ne, benzene, whi t espr ay 2.Al cohol –Met hy l , Et hy l , i sopr opy l 3.Ket ones –Met hy l , et hy l ket one( MEK) 4.Est er s –Met hy l acet at e, amy l acet at e. 32. Whatar epl ast i ci er s? Pl ast i ci ser sar eusual l yl i qui dandmusthav eami ni mum t endencyt o v ol at i zesot hatt heywi l l r emai ni nt hef i l m e. g.camphor . 33. Li stsol v ent sandassoci at edpai nt s. Wat er Wat erbasedpai nt s Tol uene/Xy l ene Chl or i nat edr ubber Page13of14 Acet one M. I . B. K M. E. K - Epoxi es Vi ny l Epoxi es 34. I npai ntmanuf act ur eexpl ai npr emi xi ng. Bi nder ,sol v entanddi l ut ant sar epumpedi ncor r ectquant i t i est hr ougha cent r al l ycont r ol l edpi pesy st em i nt omeasur i ngandmi xi ngv at s,wher e measur equant i t i esofpi gmentandpossi bl eext ender sar eadded. 35. Whati sdi sper si on? Ther awmat er i al smi xedi nt oabat char edi sper sedbymeansofadi ssol v er , consi st i ngofashaf twi t har ot at i ngser i at eddi sc. 36. Pai ntgr i ndi ng?Namet y pesofmi l l andexpl ai n. Pear lorsandmi l l :Thepai nti spumpedi nt ot hesandf i l l edmi l lf r om bel ow i nav er t i calmi l lorf r om oneendi nahor i zont almi l l .Thepai nti spumped underpr essur et hr oughanumberofr ot at i ngdi scs,whi chcr eat esst r ong abr asi onef f ect sandcancausev er yf i nedi sper si oni nt heshor tt i meofi t s t r av elt hr ought hemi l l .Pai ntcol l ect edatt het opoft hemi l latar at eupt o 1000l i t r es. Rol l ermi l l :Thi suni tconsi st sofadj ust abl est eelr ol l er s,r ot at i ngagai nst eachot hersot hatt hepai nti ssubj ect edt opr essur eandshearf or ces, whi chdecr easet hecongl omer at esi ze.Thepai nti sr emov edf r om t hef i nal r ol l eri nt her owbyascr aperbl adeorkni f e. Bal lmi l l :Thi sconsi st sofar ot at i ngdr um,par tf i l l edwi t hst eelorpor cel ai n bal l sofabout2–3cms.Di a.Themi l li sf i l l edwi t ht hepai ntunt i lt hebal l s ar ecov er edandt hedr um i sseti nmot i on,t hepi gmentcongl omer at esar e gr ounddownduet ot heabr asi onbet weent hebal l s.Ther ot at i onspeedi s sl ow, gener al l yl esst hanoner ev ol ut i onpersecondandt hepi gmentsi zei s cont r ol l edbyt heper i odoft i met hemi l l i soper at ed. 37. Expl ai nf i nal bat chmi xi ng. Af t ergr i ndi ng, t hepai nti spumpedt of i nalbat chi ngwher emor ebi nderand ort hi nnerar eaddedwhi l est i r r i ngi nor dert oobt ai nt hecor r ectdel i v er y v i scosi t y .Ti nt i ngcol ouradj ust mentandqual i t ycont r ol adj ust ment smaybe per f or med, pr i ort ol oadi ngt hemat er i al si nt ot hedel i v er ycont ai ner s. Page14of15 38. Dr awt hedi f f er entsket chesf orv ar i ousmi l l s. Page15of16 3.QUALI TYCONTROLTESTI NG–PAI NT 1. Whati sspeci f i cgr av i t y ? Speci f i cgr av i t yi scal l edr el at i v edensi t y .Rat i oofdensi t yofmat er i al and t hedensi t yofwat er( compar i son) . SG=Densi t yofx Densi t yofwat er .I ti sar at i o.Nouni t s. 2. Howi st est i ngf orspeci f i cgr av i t ycar r i edout ?Namet heequi pment . Equi pmentname: Wei ghtpergal l oncup. 1.Wei ght hecupandl i dempt y . 2.Fi l l t hecupwi t ht hepai nt . 3.Al l owt hepai ntt ost andf ort womi nut es. 4.Excesspai ntr emov ed. 5.Cl eanext er nal sur f aceoft hecup. 6.Wei ght hecupl i d+pai nt . 7. 6–1=Speci f i cgr av i t y . 3. Whati st het y pi cal speci f i cgr av i t yofpai nt ? 1t o1. 75 4. Whati sv i scosi t y . Vi scosi t yi st hei nt er nal r esi st ancet of l owpossessedbyal i qui d. 5. Howi sv i scosi t ycal cul at ed? ByFor dFl owCupNo. 4 1.War mt hecup. 2.Cov ert hehol eatt hebot t om oft hecupwi t hf i ngerandf i l l t hepai nt . 3.Remov eexcesspai nt . 4.St ar tt hest opwat chwhi l esi mul t aneousl yr emov i ngt hef i ngerf r om t he hol e. 5.Obser v et het i met akenf ort hef l owofpai ntt ost ar tt obr eaki nt o Page16of17 dr opl et s. 6.Ti met akeni nsecondsi st hev i scosi t yv al ue. 6. Whati st hecal cul at i onf orv ol umeofsol i ds? Vol umeofsol i ds=D. F. T x100 W. F. T 7. Whati susedt of i ndwetf i l mt hi ckness( W. F. T)howi si tused? Wetcombgauge:I ti spushedf i r ml yi nt ot hewetpai ntsot hatt heout er mostt eet hmakescont actwi t ht hesubst r at e.Hel datr i ghtangl est ot he sur f ace.Gaugei sr emov edandt het eet har eexami ned.W. F. T.l i esbet ween t hel astt oot hi . e.coat edandt hef i r stt oot ht hati suncoat ed.Mi dpoi nt bet weent hi si sW. F. T. 8. Whati susedt of i nddr yf i l mt hi ckness( D. F. T)howi si tused? Bananagauge–magnet i cpul l ofgauge: 1.Cal i br at et hei nst r umentonst eel sur f acepr of i l e, whi chmat cheswi t h t hepr of i l eoft hepai nt edsur f acebei ngmeasur ed. 2.Usi ngshi m ofknownt hi ckness, cal i br at et hei nst r umenti nt her ange expect edmeasur edt hi cknesswi l l l i e. 9. Whatar et het hi cknessoft heshi msusedandi dent i f ybyi t scol our ? 25mi cr ons – 51mi cr ons – 127mi cr ons – 254mi cr ons – 508mi cr ons – pur pl e dar kbl ue br own whi t e y el l ow 10. Howi st hi cknessmeasur edonM. I . Oandwhy ? Met al l i cpai nt i ngbyW. F. T. Byknowi ngt heW. F. T.andconv er si onusi ngt hef or mul a W. F. T.=100xD. F. T Vs Page17of18 11. Expl ai nt hecr osscutt estmet hod. Pr essur esensi t i v et ape, shar pkni f e, andr ubberer aser .No.ofcut sshal lbe si xorel ev en.Sur f acei scl eananddr y .40mm l ongspace, cut1mm apar ti f car r y i ng11cut s,t womm apar tf orsi xcut s.Cutt hr ought hef i l mi nst eady mot i on.Repeatt hepr ocessi nt heopposi t epl anet ogi v e1mm or2mm. I nspectt hecutt oest abl i sht hatt hesur f acehasbeenpenet r at ed.Pl acet he t apeov ert hegr i dandsmoot hi tbyf i nger , t henr ubwi t her aser .Remov et he t apeaf t er90seconds.Af t ermaki ngsev er alcut sexami net hecut t i ngedge anddi scar di fj aggedori ft ear i ngoft hepai ntf i l m. 12. Whatar eaccept abl er esul t sofcr osscutt apes? 5B:Theedgesoft hecut sar ecompl et el ysmoot h,noneoft hesquar esof t hel at t i cei sdet ached. 4B:Smal lf l akesoft hecoat i ngar edet achedati nt er sect i onsl esst hanf i v e per centoft hear eai saf f ect ed. 3B:Smal lf l akesoft hecoat i ng ar edet ached al ong t heedgesand at i nt er sect i onsofcut s.Thear eaaf f ect edi sf i v et of i f t eenper centoft he l at t i ce. 2B:Thecoat i nghasf l akedal ongt heedgesandonpar t soft hesquar es. Thear eaaf f ect edi sf i f t eent ot hi r t yf i v eper centoft hel at t i ce. 1B:Thecoat i nghasf l akedal ongt heedgesoft hecut si nl ar ger i bbonsand whol esquar eshav edet ached.Ar eaaf f ect edi st hi r t yf i v et osi xt yper centof t hel at t i ce. 0B: Fl aki nganddet achmentwor set hangr ade1B. 13. Expl ai nt heXcutt est . Pr essur e sensi t i v et ape,shar p kni f e,r ubberer aserar et he mat er i al s r equi r edt ocar r youtt het est .Sur f aceshoul dbecl eananddr y .Maket wo cut si nt hecoat i ngeachappr oxi mat el y40mm t hati nt er sect sneart he mi ddl ewi t hanangl eof30 . I nspectt hecutt oest abl i sht hatt hesur f acehasbeenpenet r at ed.Usi nga pi eceoft ape75mm,pl acet hecent r eoft het apeatt hei nt er sect i onoft he cut s,smoot ht het apebyf i ngerandt henr ubf i r ml ywi t her aser .Br usht he ar eal i ght l ywi t hsof tbr ush,r emov et het apeaf t erappr oxi mat e90seconds byt aki ngoneendandr api dl y .Exami net hecut t i ngedgeoft oolf orsi gns wearandr epl acewhenneeded.I nspectt hecutar eaandr at et headhesi on. Page18of19 14. Whatar et heaccept abl er esul t sofX-cutt est s? 5A: Nopeel i ngorr emov al . 4A: Tr acepeel i ngorr emov al al ongi nci si ons. 3A: Jagged, r emov edal ongmostofi nci si onsupt o1. 6mm onei t hersi de. 2A: Jagged, r emov edal ongmostofi nci si onsupt o3. 2mm onei t hersi de. 1A: Remov al f r om mostoft hear eaofXundert het ape. 0A: Remov al bey ondt hear eaofX. 15. Expl ai npul l oft est . Adol l ymadeofal umi ni um al l oyi sst uckont ot hecoat i ngsy st em under ev al uat i onusi ngar al di t eadhesi v e.Af t ert headhesi v ehascur ed, t hedol l yi s r emov edbydi r ectpul l ofusi ngaspeci alt oolandt hef or cer equi r edi s measur ed. 16. Expl ai nf l ashpoi ntandhowt hi si sobt ai ned? Fl ashpoi ntofamat er i ali st hel owestt emper at ur eatwhi cht hev apour s gi v enofwi l li gni t ewhenaf l ameorspar ki spassedov eri t .Fl ashpoi nti s obt ai nedbyt heuseofAbelcup.Fi l lt het estcupwi t ht hepai ntandpl acei t i nt hewat erbat h,whi chi sheat edt ot her equi r edt emper at ur e.Li ghtt he i gni t i ondev i cewhent hepai nthasr eachedt her equi r edt emper at ur e.Car r y outf l amet est .Rai set het emper at ur eby0. 5 candr epeati gni t i on,i nst eps of0. 5 cr ai seunt i l t hef l ashpoi nti sr eached.Readt het her momet err eadi ng oft het emper at ur eaccur at el y . 17. Whati sr el at i v ehumi di t y ? I ti st heamountofwat erv apouri nt heai rexpr essedasaper cent ageandi t i s obt ai ned bya cal cul at i on made f r om t he dr ybul b and dew poi nt t emper at ur es. 18. Whatar eaccept abl eappl i cat i oncondi t i onsf orbl ast i ngandpai nt i ng? Pai ntshoul dbeappl i edonl yt ot hesur f acest hatar et hor oughl ydr yand undersuchcondi t i onsofhumi di t yandt emper at ur e,asi twi l lpr omot e ev apor at i on,r at hert han condensat i on. Ot herf act or st o beawar ear e st r onghar dsunl i ght , st r ongwi ndswhi chcoul dcauset oor api dev apor at i on Page19of20 ofsol v ent sandt hepai ntf i l m bei ngi mpr egnat edwi t hdi r tet c. , BgasSpeci f i cat i on 1.Theai rormet al t emper at ur ei sat l east3 cabov et hedewpoi nt t emper at ur e. 2.Ther el at i v ehumi di t yi sl esst han90%. 3.Thet emper at ur esf ort heappl i cat i onsar ewi t hi nt hemanuf act ur er r ecommendat i ons. 19. Whati sdewpoi nt ? Dewpoi nti st het emper at ur eatwhi chcondensat i onofwat erv apouri nt he ai rwoul df or m ont hesur f ace. 20. Whatequi pmenti susedt of i ndhumi di t yanddewpoi nt ?Expl ai ni t suse. Usi ngwhi r l i nghy gr omet er , 1.Checkt hef abr i coft hewetbul bi scl ean, wetandsecur eatbot ht heends. cont ai nershoul dbef ul l ofcl eanwat er . 2.Whi r l t hehy gr omet erataboutt hr eer ev ol ut i onspersecondf orone mi nut e. 3.Readbot ht het her momet er s, not i ngt hewetbul bf i r st . 4.Whi r l agai nf oranot hermi nut e.Readt emper at ur eagai n.Repeatunt i l const ant t emper at ur er eadi ngar eobt ai ned. 5.Recor dswetanddr ybul bt emper at ur e. 6.Cal cul at er el at i v ehumi di t y , dewpoi ntusi ngchar t . 21. Howi ssur f acepr of i l emeasur ed? Model 123-sur f acepr of i l egaugei saqui ck, di r ectr eadi ngandeasyt ouse i nst r ument .Thegaugei sf i r stsett ozer obyl ev el i ngt hef ootandt hepoi nt er onaf l atsur f ace.Whent hef ooti ssubsequent l ypr essedagai nstabl ast ed pr of i l e, t hef ootwi l l r estupont hepeaksandt hepoi nt erwi l l penet r at et he v al l ey s.Thedi al wi l l showr eadi ng.Taket ensuchr eadi ngsandt aket he av er ageofi t . 22. Whati sBS7079? Pr epar at i onofst eel subst r at esbef or eappl i cat i onofpai nt sandr el at ed pr oduct s. Page20of21 23. Whati st hemaxi mum t i mebet weenbl ast i ngandpai nt i ng? Fourhour s. 24. Whatspeci f i cat i oni susedt odef i net hi st i me? BS5493. 25. Namet hef ouri nt er nat i onal st andar dsf orbl astcl eani ng. 1.SSPC-St eel St r uct ur esPai nt i ngCounci l . 2.NACE-Nat i onal Associ at i onOfCor r osi onEngi neer s 3.SI S-055900-Swedi shst andar d-pi ct or i al sur f acepr epar at i onst andar d f orpai nt i ngst eel st r uct ur es. 4.BS7079-Br i t i shSt andar dSpeci f i cat i on. 26. Li stbl astcl eanedsur f acei . e.gi v ecompar i sonofbl ast i nggr adest ot he abov e st andar ds. Compar i sonofbl ast i nggr ades. SSPC BS7079, SI S-055900 Whi t emet al ( SP5) Sa3 Nearwhi t emet al Sa2. 5 ( SP10) Commer ci al f i ni sh Sa2 ( SP6) Li ghtbl astand Sa1 br ushof f( SP7) BS4232 depr eci at ed Fi r stqual i t y Secondqual i t y NACE Gr ade1 Gr ade2 Thi r dqual i t y Gr ade3 N/A 27. Expl ai nt het estf orsol ubl ei r on. Testpaper-soaki ngoff i l t erpaperi naf r eshl ypr epar ed5% sol ut i onof pot assi um f er r i cy ani dei nwat erandal l owi ngt hepapert odr y . When pr essed agai nsta wetst eelsur f ace i twi l lshow a bl ue col our Page21of22 whenev ersol ubl ei r onsal t shasbeendi ssol v edbywat er . 28. Expl ai nt estf orsol ubl esul phat es. Fi l t erpapersoakedi nabar i um chl or i dedehy dr at es6% wetsol ut i onand dr i ed.Thedr ypaperi st henpr essedagai nstt het estsur f acebackedbya secondpapersoakedi nsat ur at edpot assi um per manganat e, cont ami nat i on i sabsor bedandhel di nt hebar i um sul phat el at t i ce,i mpar t i ngapi nkcol our t ot hosepar t soft hepaperwhi chcont act edsul phat es. 29. Expl ai nt hesol ubl echl or i des. Fi l t erpaperwet t edwi t hsi l v erni t r at e2% wetsol ut i onandt henpr essed agai nstt hest eelsur f acef oraboutt went yseconds.I ti st henpeel edof fand t hor oughl y washed i n chl or i de f r ee wat er .I mmer si on phot ogr aphi c dev el opercan det ectanysi l v erchl or i def or med r emai nsi nt hepaper . Chl or i desi t esshowsbr own-bl ackar eas. 30. Expl ai nt estf ormi l l scal e. Anaci di csol ut i onofcoppersol ut i onwhenappl i ed t o abl astcl eaned sur f acewi l lr eactbyt ur ni ngt oabr i ghtcoppersol ut i ononcl eanst eel ,but wi l l t ur nt oabl ackcol ouri fmi l l scal ei spr esent . 31. Expl ai nt het estf oroi l cont ami nat i on. Shi nni ng on ul t r av i ol etl i ghtsour ce on t he sur f ace causi ng t he oi lt o f l uor escence.Pour i ngsol v entacr osst hesur f ace, t hesol v entshoul df or ma cont i nuousf l owandnotbr eaki nt odr opl et s. 32. Expl ai nt het estf ordust . Useofst r i pofcl earcel l ot ape25mm wi dest r i p.Pr esst het apeont ot he sur f acel i ght l yr ubov ert het apewi t hf i nger ,t hensnat cht het apeof f .Any l oosedustwi l lst i ckt ot het apeandwi l lshow upcl ear l ywhent het apei s putont owhi t epaper . 33. Expl ai ncar eofbl ast edsur f ace. Sur f acepr epar edf orcoat i ngshoul dnotbeal l owedt odet er i or at eort he Page22of23 cont ami nat ed i n any way bet ween gr i tbl ast i ng and spr ay i ng.Bl ast ed sur f acesshoul dnev erbehandl edort ouchedunl esshandsar epr ot ect ed wi t hcl eangl ov es. 4.SURFACEPREPARATI ON 1. Whati susedt odet ectpi nhol esi npai nt ? DCVol t age-wetsponge( l owv ol t age)t estbyhol i daydet ect or . 2. Whati st acki ng? Coat i nghaspar t i al l ysetonl y ; sur f acei snotwetbuthasast i ckyf eel , l i ke t ape, duet oexcessi v et hi nner , i nsuf f i ci entdr y i ngt i me, l owt emper at ur e. 3. Whatpr obl emsr esul tf r om poormi xi ngofpai nt ? Pooropaci t y , sl owdr y i ng, poorgl oss. 4. Whatt y peofst i r r eri susedwhenmi xi ngbyhand? Pr oper l ymadest i r r ershoul dbeusedwhi chi sl ongenought or eacht he bot t om oft hecont ai nerandwi t habr oad, chi sel l i keedgeanda Page23of24 comf or t abl ehandl e. 5. Whatper cent ageoft hi nneri snor mal l yr equi r ed? Tenper cent . 6. Whati st her esul tofov ert hi nni ng? Thi ncoat i ngwi l l r esul ti npoordur abi l i t yandal owerr esi st ancet ocor r osi on. 7. Whati si nduct i onper i od? I nmul t i packpai nt s, i ti st het i meoft hemi xt ot heappl i cat i ont i me. 8. Whati spotl i f e? Thepotl i f ei st het i mel i mi twi t hi nwhi cht hemi xedcomponentcanbeused. E. g.f i v emi nut esat20 c. 9. Whatcondi t i onshowswhenpai nti sst or edf orl ongper i odsori npoorar eas? Onagi ngpai ntmayt endt ot hi ckenorgooutofcondi t i on.Pai ntt endst o set t l edur i ngst or ageandaf t erpr ol ongedper i od. 10. Whati sdr y i ngt i me? Dr y i ngt i mei st heper i odwhen, 1.Sol v enti sev apor at i ngf r om t hef i l m 2.Cur i ngbyoxi dat i onorwhenchemi cal r eact i oni st aki ngpl ace. 11. Whati sdr y i ngt i meaf f ect edby ? a.Temper at ur e b.Pai ntf i l mt hi ckness. c.Vent i l at i on( concent r at i onofsol v ent si mmedi at el yabov et hesur f ace) 12. Whatdomanuf act ur er sdat asheet squot ef ordr y i ngt i me? Page24of25 Touchdr y : Whent hef i l mi snol ongert acky . Har ddr y : Whent hef i l mi ssuf f i ci ent l yhar dt oper mi tmeasur ementofD. F. T. Ful l cur e: Whenmaxi mum chemi cal r esi st ancehasbeenbui l tupwi t hi nt he coat i ng. 13. Whatdat awoul dy our equi r ef r om manuf act ur erpr i ort opai ntappl i cat i on? Pai ntmanuf act ur er sshoul dquot et het emper at ur eatwhi cht hedr y i ng t i mesar eappl i cabl ee. g.20 c. 14. Whati mpr ov ementt oapai ntsur f acewoul dbl astcl eani nghav eov erot her met hods? Bet t ersur f acepr epar at i oni mpr ov est heper f or manceofanycoat i ng. 15. Whati st hef undament al pr i nci pl eofbl astcl eani ng? I ti st he r emov alofr ust ,mi l l scal e,orot hersur f ace cont ami nantby pr oj ect i ng a hi ghl y concent r at ed st r eam ofr el at i v el y smal labr asi v e par t i cl esathi ghv el oci t yagai nstt hesur f acet obecl eaned. 16. Whatt y peofabr asi v escanbeused? Chi l l edi r ongr i t , cr ushedsl ag' s, cer ami cgr i t s. 17. Thedegr eeofsur f acer oughnessi sr el at edt owhat ? Thedegr eeofsur f acer oughnessandt her at eofcl eani ngdependpr i mar i l y ont hechar act er i st i csoft heabr asi v egr i tused. 18. Whatabr asi v esar ecommonl yused? Cr ushedwal l nutshel l s, gl assandcr ushedsl ags, v ar i ousmet al l i cshot sand gr i t s. 19. Whyi ssandandf l i ntnott obeusedf orbl astcl eani ng? Duet oheal t hhazar d-f or mat i onofsi l i cosi s. 20. Namet y pesofsur f acecl eani ngot hert hanbl ast i ng. Page25of26 1.Wat erbl ast i ng 2.Manual cl eani ng 3.Fl amecl eani ng 4.Needl egunni ng 5.Weat her i ng 6.Aci dpi ckl i ng 7.Degr easi ng. Page26of27 5.METHODSOFPAI NTAPPLI CATI ON 1. Whatpoi nt shav et obeconsi der edwhenbr ushpai nt i ng? Pai ntappl i cat i onhasasi gni f i cantef f ectont hel i f eofapai ntsy st em.By empl oy i ng ski l l ed pai nt er s,appl y i ng pai nt s underpr oper l y cont r ol l ed condi t i ons, andonl ysui t abl eambi entcondi t i onsout si de. 2. Whatmet hodofpai ntappl i cat i oni sper f or medf orpr i merandwhy ? Br ushpai nt i ngi ssai dt ohav eachi ev edsuper i orwet t i ngandi st heonl y accept abl ewayt oappl ysomeant icor r osi v epr i mer s.Br ushmar ksl eadst o ar easofl owf i l m bui l d.Rubbi ngact i onofabr ushcanbeanaddi t i onal ai dt o getgoodadhesi on. 3. Whatar et headv ant agesanddi sadv ant agesofr ol l erappl i cat i on? ADVANTAGES 1.Mobi l i t yandl owequi pmentcost . 2.Cl eanert hanspr aygun. 3.Fast ert hanbr ush. 4. DI SADVANTAGES 1.Notsui t edf ori r r egul arsur f aces. 2.Thi nunev encoat swi t hmi sses/ pi nhol es. 3.Poorpenet r at i on, notsui t edf oral l t y pes ofpai nt s. Wheni sdi pcoat i ngused? Obj ect scoat edbydi ppi ngar eusual l ypar tofaconv ey orbel tsy st em i n whi chst owi ngi sal soi nv ol v edi nor dert opr ev entmor edr i ps. 5. Namemet hodsofpowdercoat i ng. 1.Fl ui dbed, el ect r ost at i ct echni que. 2.El ect r ost at i cspr ay . Page27of28 6. Expl ai nel ect r ost at i cspr aywi t hadv ant agesanddi sadv ant ages. ADVANTAGES 1.Noov erspr ay . 2.Ver ycl eant ouse. 3.Gr eatsav i ngi npai nt 7. DI SADVANTAGES 1.Notsui t abl ef orwat ert hi nnedpai nt s or heav i l ypi gment edmet al l i ccoat i ng. 2.Equi pmenti scost l yandnoteasi l y maneuv er ed. Whatt y pesofspr aypumpsar eused? 1.Ai rmot or s 2.El ect r i cal l ydr i v enhy dr aul i cpump. 8. Expl ai nconv ent i onal spr ay i ngwi t hadv ant agesanddi sadv ant ages. Thi si nv ol v esusi ngcompr essedai rt obot hat omi zedpai ntandt oconv eyi t t ot hesubst r at e. ADVANTAGES DI SADVANTAGES 1.Hi ghl yqual i t yf i ni sh. 1.Pai ntf ogandl ossofmat er i al . 2.Ev enf i l mt hi ckness. 2.Hi ghequi pmentcost . 3.Easyadj ust ment . 3.Notal way ssui t edf orout doorwor k. 4.Appl i eswat erbor nesi l i cat es. 4.Unsui t abl ef orhi ghbui l dandhi gh v i scosi t ypai nt s. 5.Poorpenet r at i on, r i skofov erspr ay . 9. Expl ai nai r l essspr ay i ngwi t hadv ant agesanddi sadv ant ages. ADVANTAGES 1.Ver yhi ghwor kr at e. 2.Goodaut omat i onwi t hl i t t l eorno pai ntf og. 3.Pol egunf orawkwar dpl aces. DI SADVANTAGES 1.Hi ghequi pmentcost . 2.Dependsonpowersour ce. 3.Lessmobi l et hanbr ush/r ol l er . Page28of29 4.Onl yr eal l ysui t abl emet hodf ort he appl i cat i onofhi ghbui l ds. 5.Goodpenet r at or . 4.Ri skofdr yspr ay . 5.Adj ust ment sonl ybychangi ngt he nozzl e. 10. Whatar ef l ui dt i psandwhatdot heycont r ol ? Readi l ychangeabl epar toft hegunandar ef i t t edbyt her et ai ni ngnut . 1.Cont r ol st hewi dt hoft hespr aypat t er nbyv ar y i ngt heangl eoft het i p. 2.Cont r ol st hequant i t yofpai ntpassi ngt hr ough. 11. Whyi sar ev er si bl eheadused? Tosav er emov i ng, cl eani ngandr epl aci ngt het i peacht i met ocl eart he bl ockagebysmal l par t i cl esofdust . 12. Whatt y peoff l ui dl i nehosesar eusedandwhy ? Speci al l ydesi gnedhi ghpr essur e, sol v entr esi st ant , smal l bor ehoses, r ei nf or cedwi t hwi r emesh, f i t t edwi t ht hr eadconnect i on, swi v el f i t t ed bet weenhoseandt hegunal l owi ngf r eemov ement .( Forr emot el ocat i on appl i cat i on) 13. Expl ai nt headv ant agesofai r l essspr ayov erconv ent i onal spr ay . 1.Ai r l essspr ayappl i esmostt y pesofpai ntmuchf ast ert hananyot her manual l yoper at edmet hodofpai ntappl i ed. 2.Ast hepai nti snotunderpr essur e,t hepumpcanoper at ef r om t he manuf act ur er ' scan. 3.Noai ri sused.Noov erspr ay . 4.Auni f or mt hi ckcoati spr oduced, r educi ngt henumberofcoat s. 5.Av er ywetcoati sappl i edensur i nggoodadhesi onandf l owout . 6.Mostpai nt scanbespr ay edwi t hv er yl i t t l et hi nni ng. 7.Fast ert hanconv ent i onal spr ay . 8.Ev enspr aypat t er n, cl eanedge, cut t i ngatangl escanbeachi ev ed. 9.Si ngl ehose, easi ert ohandl e. Page29of30 6.I NSPECTI ON, STANDARDSANDSPECI FI CATI ON. 1. Whatmaj orf act ordet er mi nest hesuccessofacoat i ng? a.Env i r onmenti nwhi chi ti spl aced. b.Temper at ur e, t hecoat i nghast oendur e. c.Di r ecti mpact , mechani cal damage, wearorer osi on. d.Chemi cal s. e.Ser v i cecondi t i ons. Page30of31 2. Whyar eenv i r onment al t est scar r i edoutdur i ngapr oj ect ? a.Ext r emesofweat hercanbedet r i ment al t ot hecoat i ngpr ocess. b.Moi st ur eont hesur f acepr ev ent sf i l mf or mat i onorr educest hequal i t y ofcoat i ngadhesi on. c.Hi ght emper at ur emaycauser api dev apor at i onofsol v ent sorcr eat ea l ay erofcoat i ngatt hesubst r at ei nt er f ace,whi chhasnotbeenabl et o f l ow. d.Lowt emper at ur emayr educesol v entev apor at i onr at eori nt er f er ewi t h t hecur ecy cl eoft hecoat i ng. 3. Expl ai nhowenv i r onment al t est i ngi scar r i edout ? a.Measur et heambi entt emper at ur e( ai r )andsubst r at et emper at ur e. b.Rel at i v ehumi di t yanddewpoi ntbyt heuseofwhi r l i nghy gr omet er . c.Sur f acet emper at ur e-magnet i cdi al t y pe. 4. Whenshal l coat i ngbenotappl i ed? a.Dur i ngr ai n, snoworhi ghwi nd. b.Whent heai rormet al t emper at ur ei sdownt owi t hi n3 coft hedewpoi nt t emper at ur e. c.Whent heai rormet alt emper at ur ei sbel ow5 c.( accor di ngt ot hepai nt manuf act ur e) . d.Whent her el at i v ehumi di t yRHi sabov e90%. e.Subst r at ei swet . 5. t he Expl ai nhowwetf i l mt hi cknessgaugesar eused? Thewetf i l m gaugeshoul dbepl acedi nt hecoat i ngf i l m ataangl e90t o Sur f ace.Teet har eexami nedaf t eri mmer si oni nt hewetcoat i ngsont hei r sur f ace Measur esl esst hant heW. F. T. , whi l et hosewi t hnocoat i ngmeasur esmor e t han W. F. T.Mi doft hev al uesshal l bet aken. 6. Whati sBS7079? Page31of32 Pr epar at i onofst eel subst r at esbef or eappl i cat i onofpai nt sandr el at ed pr oduct s. 7. Whati sr ustgr adeD? Heav i l ycor r odedandpi t t edst eel . 8. Whati st hewr i t t enequi v al entofSa21/ 2? Secondqual i t yt oBS4232. 9. Howi ssur f acet emper at ur emeasur ed? Bymagnet i csur f acet emper at ur egauge. 10. Howaccur at ear emagnet i cD. F. T.gauges? +/-10%. 11. Whatar et headv ant agesofel ect r oni cD. F. T.gauge? El ect r oni cgaugescanbev er ygoodwhent heyar epr oper l ycal i br at ed. Accur acyi s v er ypr eci se.Capabl eofst or i ngmanymeasur ement s,maki ngst at i st i cal anal y si s andpr i nt i ngt her esul t sonacomput erpoi nt er . 12. Whatv ol t agei susedf orawetspongehol i daydet ect or ? Oper at i ngatv ol t agesbel ow100v ol t s.( nor mal l yat67. 5v ol t s) 13. Whatst andar ddescr i best heuseofhol i daydet ect or ? NACEst andar dRP-01-88. 14. Whati st est ex?Howi si tusedandwhatar et hei rl i mi t at i ons? Test ext apePr ess-o-f i l mi sar epl i cat apecomposedofani ncompr essi bl e My l arbacki ngofknownt hi ckness( 2mi l s)coat edwi t hacompr essi bl ef i l m. Peelof fonepi eceoft ape,r emov et hebacki ngt apeandst i ckt het apeon Page32of33 t hebl astcl eanedsur f ace.Rubt het opsur f aceoft het ape( i . e.ont hemi ddl e oft hest i ckysect i on)wi t habl untt oolsuchaser aserheadofapenci l , unt i l t het apehaspi ckedupani mpr essi onoft hebl ast cl eanedsur f ace.Sett he di alt apemi cr omet ert ot hezer omar k.Putt het apei nt ot hej awsoft hedi al t apemi cr omet er .Besur ei ti spl acedont het apewi ndowonl y .Measur et he r eadi ng,subt r actt womi l sf r om t her eadi ng.I tgi v est hesur f acepr of i l e.I f anchorpr of i l ei sl esst han0. 8mi l sorgr eat ert han4. 5mi l st est ext apewi l l notgi v eawor t hwhi l emeasur ement . 15. Whenar ehi ghv ol t agehol i daydet ect or sar eusedandatwhatv ol t age? Hol i day si nv i r t ual l yanyt hi ckness, 1000v ol t s-20, 000v ol t s. 16. Whati sBS4800? Schedul esofpai ntcol our sf orbui l di ngpur poses. 17. Whati s5493? Codeofpr act i cef orpr ot ect i v ecoat i ngofi r onandst eel st r uct ur es. 18. Whati sBS3900? Met hodoft estf orpai nt s. 19. Whati sBS5750? I SO9000ser i es-Qual i t ysy st em. 20. Whati sani nspect or ' spr i meconcer n? Moni t or i ngqual i t yonacoat i ngpr oj ect . 21. Whyar ev er bal communi cat i onsi mpor t ant ? Needt ocommuni cat eef f ect i v el y .Takeanobj ect i v ev i ewofi nt er per sonal ski l l s. 22. Whyar ewr i t t encommuni cat i onsi mpor t ant ? Page33of34 Wr i t eri sawar ewhowi l l r eadt hedocument , whati sneeded, t opassont he r equi r edi nf or mat i on, descr i bet heact i v i t i eset c. , 23. Asani nspect orwoul dy oubeexpect edt osuper v i se? No. 24. Asani nspect orwhatdoy ouconsi derasy ourmai nr esponsi bi l i t i es? a.Toensur ecompl i ancet ot hespeci f i cat i on. b.Toassesst hequal i t yoft hewor k. c.Toensur esaf ewor ki ngmet hodsar eadopt ed. d.Tor epor tt hedef i ci ency / anydev i at i onf r om t hesetst andar ds. e.Topr epar ei nspect i onr epor t s. f . Toensur eadher encet ogoodwor kpr act i ces. 25. Doy ouconsi deragoodr el at i onshi pwi t ht hecl i entt obei mpor t ant ? Yes.Goodwor ki ngr el at i onshi phel pst or esol v epr obl ems, t oar r i v eatan ami cabl esol ut i on. 26. Whatf act or sdet er mi net hel ev el ofi nspect i on? Ty peofpr ot ect i ont r eat ment , r equi r ement soft hecoat i ng, i t senduse, cost ofi nspect i on, qual i t yofsuper v i si ont obeexpect edoft hecoat i ngappl i cat or . 27. Whatwoul dy ouapai nt i ngspeci f i cat i oncont ai n? a.I tshoul dout l i neapr ocedur e. b.Howmanymeasur ement sar et obet aken, t i mei nt er v al wheni ti st obe done? c.Whi chi nst r umentt ouse. d.Whatwoul dbet hei nspect i onaut hor i t yandr esponsi bi l i t y ? e.Gui del i nef orcompl et i onandsubmi ssi onofi nspect i onr epor t s. 28. Whatwoul dapr ej obconf er encepr ov i de? a.Cont r i but eanunder st andi ngoft hei nspect i oncr i t er i a, whi char e speci f i ed, t het ool sandmet hodst hatwi l l beused. Page34of35 b.Ensur et hatev er ycl assoft hespeci f i cat i oni sunder st ood. c.Hi ghl i ghtpot ent i al pr obl ems. d.Tor ecor dt hepur poseoft hemeet i ng. 29. Whatsaf et ycheckswoul dani nspect orcar r youtpr i ort obl astcl eani ng? a.Wor kper mi tobt ai ned. b.Ar easar ecor donedof( r est r i ct i ont oent r y ) . c.Ear t hi ngi sdone. d.Di spl ayofcaut i onboar ds. e.Anobser v ert owat cht heoper at i on. f . UseofPPE, ov er al l , br i dgi ngappar at us, shoesandeardef ender s. g.Ai ri nl etwi t houtanycont ami nat i on. h.Equi pment sar echeckedf ort hei rper f or mance. i . Unaut hor i zedent r yr est r i ct ed. 30. Whatcheckswoul dani nspect orcar r youtpr i ort opai nt i ng? a.Checkt hemaski ngofsensi t i v ear easofsi t e, el ect r oni ccomponent s, pl at eset c. , b.Ensur eexi st i ngcoat er sar epr ot ect edf r om ov erspr ay . c.Checkcont ami nantscr eens. d.Ensur et hatt hehazar dwar ni ngsi gnsar ei npl ace. e.Checkt heequi pment . f . Checkt heenv i r onmentcondi t i ons. 31. Whatsur f acepr epar at i onchecksdoy ouconsi dert obemosti mpor t ant ? a.Vi sual l yexami net hesubst r at epr i ort obl astcl eani ngorpowert ool cl eani ng t o ensur et her ei s no i nher ent def ect s or det r i ment al cont ami nat i onsuchasmud, oi l , orconst r uct i ondebr i s. b.Checkbl ast cl eani ngai rt oensur ei ti sf r eeofoi l andwat er . c.Checkt hatt heoi l andwat ert r apsar ef unct i oni ngandempt yofwat er . d.Obser v e t he sur f ace pr epar at i on l ooki ng f or unusual sur f ace condi t i ons/ col our at i on. e.Vi sual l ycheckt heabr asi v ebei ngused. f . Measur eanchorpr of i l eat l eastoncef oreachhourofbl astcl eani ng. g.Sur f acecl eanl i ness-doesi tmeett hest andar d. h.Sur f acepr of i l epat t er n. i . Unbl ast edar eas. Page35of36 j . Makescot cht apet estt oensur edusthasbeenr emov ed. 7.HEALTHANDSAFETY. 1. Whatdocument sst at eheal t handsaf et yatwor k? Heal t handsaf et ywor kact1974( HASWA) . Page36of37 2. Whaty earwast heheal t handsaf et yactpassed? 1974. 3. Whati sani nspect or ' sf i r stdut yt oaccess? Accesst her i sk. 4. Howl ongwoul dr ecor dsofper sonal exposedbekept ? Thi r t yy ear s. 5. Whati sE. P. A? Env i r onment al pr ot ect i onact . 6. Whati sV. O. C? Vol at i l eor gani ccompounds. 7. Whati st heV. O. C.r egul at i onont hemaxi mum l ev el ofpoundspergal l on? 4. 5poundspergal l on. 8. Howwoul dst r uct ur escoat edbyl eadbasedpai nt sbebl astcl eaned? Bl astcl eani ngi nanencl osedenv i r onment . 9. Namesomeheav ymet al susedi ncoat i ngandpai nt i ng. Redl ead, zi ncchr omat e, chr omel ead. 10. I sper sonal pr ot ect i onequi pmenti mpor t ant( PPE) ? Yes.I ti samustf orsaf ewor ki ng. 11. Whatt y pesoff i l t er sar eusedf orbr eat hi ngappar at us? Page37of38 Char coal f i l t er s. 12. Howwoul dy our emov eorr educer i sk? a.Ceasi ngt ouset hepr ocess,whi chusest hehazar dousmat er i al ,orby subst i t ut i nganal t er nat emat er i al . b.Pr ov i desuf f i ci entv ent i l at i oni nt hear eat or educet hehazar dt ononhazar d. c.Encl oset hear eacompl et el y . d.Rest r i ctaccesst ot hear ea. e.Pr ov i depr ot ect i v ecl ot hi ng, br eat hi ngequi pment , ppe. 13. Whatt y peofpr ot ect i v ecl ot hi ngi sr equi r ed? Longsl eev ecov er al l , f ul l l eat herpr ot ect i v esui t i ngf ort hebl ast cl eani ng oper at or . 14. Whati st oxi ci t y ? Ri skofexpl osi oni nanencl osedenv i r onment . 15. Whati sL. E. L? Lowerexposur el ev el . 16. Whati sP. P. M? Par t spermi l l i on. 17. Whati susedf orgast est i ng-l i stequi pment . a.Expl osi v emet er . b.Dr aggermet er . c.Tr i at ect or . d.Oxy genmet er . 18. Whenmustapai ntcont r act orr egi st erwi t ht heE. P. A? Whenappl y i ngmor et hant went yt onsofpai ntorf i v et onsofsol v ent . 19. Pai nt i ngcont r act or sar emoni t or edt oensur ewhat ? Hy dr ocar bonssol v entemi ssi onr at esar el esst han50mgofcar bonper cubi cmet r ecoat i ngs, 250mgperl i t r eofsol v ent . Page38of39 20. Whati sawor kper mi tandwhyi ti sr equi r ed? Wor k document at i on sy st em t hatmustbe f ol l owed bef or e wor ki s per f or medi nahazar dousenv i r onment .Requi r ement sf orent r yt oconf i ned spaces.Rest r i ct i ononaccess, equi pmentandwor ki ngmet hod. 8.CATHODI CPROTECTI ON. 1. Whati scor r osi on? Cor r osi oni sanel ect r ochemi cal pr ocess.Cor r osi oni st hedecayor det er i or at i onoft hesur f aceduet oi nt er act i onwi t ht heenv i r onment . 2. Whatf act or scanpr ev entcor r osi on? a.Mat er i al sel ect i on. b.Pr ot ect i v ecoat i ng. c.Cat hodi cpr ot ect i on. 3. Namesev ent y pesofcor r osi on. a.Sur f acecor r osi on. b.Pi t t i ngcor r osi on. c.St r esscor r osi oncr acki ng. d.Fr et t i ngcor r osi on. e.Cr ev i cecor r osi on. f . Cor r osi oni naci doral kal i neenv i r onment . g.Bact er i al cor r osi on. 4. Whatf act or si nf l uencecor r osi on? a.Temper at ur e. b.Humi di t y . c.Sur f acecondi t i onoft hemet al . d.Ti me. e.Ef f ectofst r ess. Page39of40 f . At mospher i cpol l ut i on. 5. Howwi l l coat i nghel pt opr ev entcor r osi on? a.Pr ev ent sorr est r i ct scont actbet weent heenv i r onmentandt he subst r at e. b.Rel easessubst ances( i nhi bi t or s)whi chr epel at t ackbyt heenv i r onment . c.Pr oducesanel ect r i ccur r ent , whi chpr ot ect st hesubst r at e. 6. Whati scat hodi cpr ot ect i on? Cat hodi cpr ot ect i oni st hepr ocessofr educi ngorel i mi nat i ngcor r osi onby al t er i ngt hef l owofel ect r i ccur r enti nsuchawayt hatanodesbecome cat hode. 7. Namet wot y pesofcat hodi cpr ot ect i onsy st em. a.Sacr i f i ci al anodesy st em. b.I mpr essedcur r entsy st em. 8. Li stmet al si nt henobl eor der . a.Gol d. c.Copper e.Lead g.I r on i .Al umi ni um 9. b.Si l v er d.Hy dr ogen f .Ni ckel h.Zi nc j .Magnesi um Li stanodesnor mal l yusedf or a.Pi pel i nesi nt hegr ound-Magnesi um. b.Pi pel i nesundert hesea. -Zi nc. c.Fi xedseast r uct ur es -Zi ncorAl umi ni um. 10. Expl ai nst r aycur r entef f ect s. Ot hermet al st r uct ur esneart ot hegr oundbedmaycauseCPcur r entt of l ow i n an unpr edi ct abl ef ashi on.I nt er f er i ng st r uct ur es t o be connect ed t o Page40of41 el ect r i cr esi st or . 11. Expl ai ncat hodi cdi sbondi ng. I ft hei mpr essedcur r enti sgr eat ert hant hecor r osi oncur r entt heyar e st r ongenought ogener at egasesatt hemet alsur f acebyel ect r ol y si sof moi st ur eont hesur f ace.Thegasgener at edpushest hecoat i ngf r om t he sur f aceandcausesadhesi onf ai l ur ebeneat ht heedgeoft hecoat i ng. 12. Whati nf or mat i oncanbegat her edusi ngsur v eyt echni ques? a.Measur ementofsoi l r esi st i v i t y . b.Measur ementofcor r osi onpot ent i al . c.Pear sonsur v ey( f orl ocat i onofhol i day si ncoat i ng) d.I nt er f er encesur v ey . 13. Whati smi l l scal e?I si tmor enobl et hanst eel ? Mi l l scal ei sat hi nbl ack, f l akyl ay erofoxi di zedi r onf or medont hest eel dur i ngi t smanuf act ur e.Mi l l scal ei smor enobl et hanst eel . 14. Whati scal or i si ng? Cal or i si ngi samet hodofi mpr egnat i ngal umi ni um powderont oandi nt oa met alsur f aceathi ght emper at ur e( 700t o800 c)pr oduci ngasur f acewi t h excel l entcor r osi onr esi st ant . 15. Whati sst ai nl essst eel ? I ti sanal l oyofi r onandchr omi um. 16. Whati scor t en? I ti sal owgr adest ai nl essst eel . 17. Whati sMonel ? Page41of42 I ti sanal l oyof70%ni ckel , 25%copperandi r on, magnesi um andsi l i con. 18. Wher ei scupr oni ckel used? Wher eer osi onandcor r osi onmi ghtoccur . 19. Expl ai nani mpr essedcur r entCPsy st em. Vol t age f r om an ext er nalpowersour ce cal l ed t r ansf or merr ect i f i eri s i mpr essedont heci r cui tbet weent hepi pel i neandbur i edear t hconnect i ons knownasgr oundbedr esul t i ngi nadi r ectcur r entbei ngdi schar ged.I n di schar gi ng cur r entt o ear t ht he gr ound bed mat er i ali s subj ect ed t o cor r osi on.Thei mpr essedcur r entsy st em canbeusedi nal lt y pesofsoi l r esi st i v i t i es,t hegr eat ert her esi st i v i t y ,t hegr eat ert hedr i v i ngv ol t ageor numberofanodest oachi ev eCP. 20. Whycor r osi oni spar t i cul ar l ysev er ei ni ndust r i al andmar i neenv i r onment s? a.Var i at i oni noxy gencont entont hest eel sur f ace( wet/dr y ) b.RH%( abov e60%i scr i t i cal ) c.Pr esenceofi mpur i t i esi nai r( aci ds, al kal i , sal tet c. ) d.Hi ghernobi l i t ymet al si ncont actwi t ht hest eel ( e. g.mi l l scal e) e.Temper at ur e( ambi entandsubst r at et emper at ur e) PAPER1.( Bgas)PAI NTI NGGRADE3, 2. 1. Descr i bewhyandhowcor r osi onoccur s. Cor r osi oni sanel ect r ochemi calpr ocesscal l edel ect r ol y si s,whi chr esul t s f r om ananodi cr eact i onandat l eastonecat hodi cr eact i on&met ali r on Page42of43 r educt i on. Whenev eramat er i alwhi chi shav i ngf r ee+v ei onsi si mmer sedi nan el ect r ol y t ehav ev ei onsorf r eeel ect r ons,met ali sr educedt oi t soxi deby chemi cal bondi ngpr ocess.Thi si scal l edcor r osi onofmet al s. 2. Descr i bewhati smeantbybi met al l i ccor r osi on. Bi met al l i ccor r osi onoccur swhent wodi f f er entmet al sar eat t achedcl ose t oget her .Thl essnobl eoft het womet al swi l l actasananodet ot henobl er one, t hecat hodeandwi l l sacr i f i cei t sel f . 3. Descr i bet hef ol l owi ng. a.Thegal v ani cser i es:i st hatmet al scar r yanor derofnobi l i t yt ocor r ode. Thi snobi l i t yi sf oundbyt est i ngi nseawat er .Gol dandsi l v ercor r odel ess qui ckl yt hancoppermi l lscal e, st eel , al umi ni um andzi nc.Sowecanuse t hegal v ani cser i est obr i ngaboutcat hodi cpr ot ect i ont ost eel . b.Mi l lscal e:i sabl ackf l akyl ay erofoxi di zedi r onf oundonst eeldur i ngi t s manuf act ur e. c.Rustgr adest oSI S055900: Ther ear ef ourgr ades. Gr adeA-Cov er edwi t hmi l l scal e, wi t hl i t t l eornor ust . Gr adeB-Ami xt ur eofmi l l scal eandr ust . Gr adeC-Nomi l l scal e, sur f acei ssl i ght l yr ust ed. Gr adeD-Heav i l yr ust edandpi t t ed. d.Bl astcl eani nggr adest oSI S055900: Ther ear ef ourst andar ds. Sa1-Li ghtbl astcl ean. Sa2-Thor oughbl astcl ean. Sa21/ 2-Ver yt hor oughbl astcl ean. Sa3-Bl astcl eani ngt ov i sual l ycl eanst eel . 4. Descr i bet hedi f f er encebet weenwat erbl ast i ngandpr essur ewashi ng. Wat erbl ast i ngi scar r i edoutatv er yhi ghpsiandwi t haddedabr asi v est o r emov et hemostcont ami nat i ons-cancutapr of i l ei nst eel .Al sov er ygood i nr emov i ngt oxi ccoat i ngs.I ti sexcel l entatcl eani ngt ubebundl es.Pr essur e washi ngi sal owpr essur ewat ersy st em mai nl yusedf orcl eani ngpai nt ed sur f aces, i tcanal sobeusedwi t hadet er gentf orr emov al ofsal t s, chl or i des, andcont ami nat i onf r om subst r at es.Ver yusef ult ooli nt hemai nt enance pai ntf i el d. Page43of44 5. Namet wot est susedt odet er mi net hepr esenceofhy gr oscopi csal t sl ef t ona bl astcl eanedsur f ace. Pot assi um f er r i cy ani det est-f orsol ubl ei r onsal t s. Si l v erni t r at et est-f orsol ubl echl or i desal t s. 6. Namef ourexpendabl eabr asi v esandst at et hedi f f er encebet weenan expendabl eandar eusabl eabr asi v e. Expendabl eabr asi v es-Gl assf l akes,coppersl ag,gar netshel l s,i ce,wal nut shel l s, coconutshel l s. Expendabl eabr asi v es-Theycannotber eusedaf t erbl ast i ng.Theyf al lwi t h hi gh i mpactov ert he st eelsur f ace and shat t er ed,and on f al l i ng becomes powder y .Can beusedonl yonet i me. Reusabl eabr asi v e-Af t erbl ast i ngt heycanber eusedupt ot went yt i mes.E. g. st eel i r on,shotwi t hgr i t .I tcanber ecl ai med,cl eanedandmoni t or edf ort hesi ze bef or e r eusi ng. 7. Namet het hr eebasi cconst i t uent sofasol v entcar r y i ngpai nt sandt he f unct i onseachper f or msi nt hepai nt s. a.Bi nder :I tbi ndst hepar t i cl et oget her ,hol dst hem i nsuspensi onand gi v est hepai nti t sf i ni sh, f l exi bi l i t y , gi v esgoodadhesi ont ot hesur f ace.I t conv er t st oasol i ddr yf i l m andgi v esr esi st ancet owat er ,al kal i sand abr asi on. b.Pi gment : Gi v escol ourandopaci t yt ot hepai nt .Gi v esr esi st ancet oaci ds, al kal i s, l i ght . c.Sol v ent :For mst heev apor at i v epar toft hedr y i ngpr ocess.Thi nst he pai ntf oreasyappl i cat i on.Washesoutt heequi pmentandbr ushescan actasadegr easi ngagenti fappr ov ed. 8. Namesi xpi gment sandgi v et hei rr espect i v ecol our s. Page44of45 Cal ci um pl umbat e Redi r onoxi de, Redl ead Zi ncchr omat e Pht hal ocy amebl ue Pht hal ocy amegr een Bur ntumber Zi ncphosphat e Coal t ar 9. - Cr eamywhi t e Red Yel l ow Bl ue Gr een Br own Whi t e Br owni shbl ack. Descr i bewhatqual i t i esal ami narpi gmentgi v est opai ntandnamef our pi gment s. I tgi v esahi ghr esi st antcoat i ngt ot hepassageofwat er , E. g.M. I . O, gr aphi t e, gl assf l akes, mi ca, al umi ni um f l akes. 10. Descr i bea)abar r i erpai ntsy st em, b)asacr i f i ci al pai ntcoat i ng. Abar r i erpai ntsy st em i sal owper meabi l i t ycoat i ngsy st em, nor mal l yaf our coatsy st em.Pr i mer , t i ecoat , M. I . Ohi ghbui l dandat opcoat . Asacr i f i ci alpai ntcoat i ngi susual l yzi ncoral umi ni um basedpai nt , whi chi s l essnobl et hant hest eelsubst r at et hati sbei ngcoat ed.Sot hel essnobl ei s coat i ng( anode)sacr i f i cesi t sel ft ot henobl erst eel subst r at e( cat hode) . 11. Descr i bewhatat i ecoati sandgi v et hr eer easonswhywemayr equi r eone. At i ecoati sapai nt ,whi chcant i et wonor mal l yi ncompat i bl esy st ems t oget her ,mai nl yusedf ormai nt enancepai nt i ng.I ti susedi nant i f oul i ng sy st em. Reasons:To getpr operadhesi on,t o av oi d bl eedi ng,t o av oi d sol v ent st r i ppi ng. 12. Descr i beat y pi cal pai ntmanuf act ur i ngpr ocessandgi v et het wot y pesof pai nt mi l l whi chcoul dbeused. Sel ectr awmat er i al s,mi l lt hepai nt ,car r youtanyQCt est i ngr equi r ement s, cant hepai nt , st or ei nt hewar ehouseandt hendi st r i but et hepai nt . Di r ectchar gemi l l , bal l mi l l , at t r i at ormi l l . Bal lmi l l -i tgr i ndsal lt her awi ngr edi ent st oget her .Pr emi xmi l lt akesal lt he pr emi xedi ngr edi ent sandr ef i nest hi smi x t ur et ohi ghqual i t ypai ntusedi n Page45of46 l ar gebat chi nr un. 13. Descr i bewhaty ouknowofv i scosi t yandoutl i neonemet hodoft est i ng. Vi scosi t yi st hemeasur eoff l ui dr esi st ancet of l ow.I ti susedt of i ndt he amountofsol v entt hati saddedt ot hepai nt .I ti st est edat20+/ -0. 5 c. For df l owcup#4i sused.Br i ngy ourpai ntt emper at ur et o20 c.pl acey our f i ngerov ert hehol eoft hecup, f i l l wi t hpai nt , l ev el of ft hepai ntwi t hr ul er . Not et het i met akeni . e.howl ongt hepai ntf l owsbef or et hebr eakcomesi n t hef l owoft hepai ntwheny our emov et hef i ngerf r om t hehol e. 14. Descr i bewhatdoy ouknowofdensi t y . Densi t yi swei ghtperuni tv ol ume.Uni t s=gms/ cubi ccent i met r e. 15. Cany ouuseabananagaugeov er a.AnM. I . Ocoat i ng b.Anal umi ni um subst r at ec.Agal v ani zedsur f ace - No No. Yespr ov i dedi ti sov erst eel sur f ace. 16. Descr i beadest r uct i v et estf ordet er mi ni ngt hedr yf i l mt hi cknessofpai nt . PAI NTI NSPECTOR' SGAUGE( P. I . G) :Cuta' V' cutshapedchannel sov ert he pai ntf i l m coat edov eranar ea.Pl acei tov erami cr oscopeandmeasur et he t hi cknessoft hepai ntandhow manycoat sar et her e.Todet er mi net he compat i bi l i t ybet weendi f f er entcoat s. 17. Gi v ef ourar t i f i ci al weat her i ngdev i cesanddescr i bewhatt heysi mul at e. a.Sal tspr ayt est-I ti susedt osi mul at emar i neenv i r onment . b.Wat ersoapt est-I ti sat estf orpai ntf i l m per meabi l i t y . c.Tr opi cal box-I ti susedt osi mul at ehi ghhumi denv i r onment . d.Col dcr acki ngt est-I ti susedt ocheckt hecont r act i onatv er yl ow t emper at ur e. e.Temper at ur ecy cl i ng-I ti susedt osi mul at eal t er nat el owandhi gh t emper at ur eofapai nt . Page46of47 18. Whati st henameoft hei nst r umentwhi chmeasur esopaci t yandgi v et wo exampl es Cr y pt omet er-a)Pf undCr y pt omet er , b)Hi di ngpowerchar t . 19. Descr i beadol l yt estf oradhesi on. a.Cl eant hesubst r at ecoat edwi t ht hepai nt .Degr easei tandr oughen. b.At t achdol l ybyr egul arar al di t e. c.Leav e24hour st i meat25 c. d.Af t er war dscutaar ounddol l yt oi sol at et hesubst r at e. e.Appl ypul l off or ceandnot edownt hepr essur e( psi ) . f . Not eatwhatpr essur et hef ai l ur eoccur s. g.Whatt y pesoff ai l ur eoccur s( cohesi v e/adhesi v e) 20 Howdoest hef ol l owi ngwor k? a)Conv ent i onal spr aysetup b)Ai r l essspr aysy st em c)El ect r ost at i cspr aysy st em. a)Conv ent i onalspr ayset upi susedf orr el at i v el yl ow pr essur esandt hi n mat er i al s.Al sot hecupgundoesnothol dbi gquant i t i esofpai nt .Soy ou ar ef or ev erf i l l i ngt hem up.Al sot hegr av i t yandsuct i ongunscanonl ybe usedi nt heupr i ghtposi t i on. b)Ai r l essspr aysy st em i sav er yf astsy st em f orappl y i ngpai ntt ov er y l ar gear eas,r oughl yonesquar emet r eper mi nut e,l ar gespr aypat t er n andappl i est hi ckcoat i ngi noneappl i cat i on. c)El ect r ost at i cspr aysy st em r equi r esaspeci alspr aygun,whi chappl i es char get ot hepai ntpar t i cl es.Thesubst r at ei sposi t i v el year t hedandt he pai ntpar t i cl esar egi v enanegat i v echar geatt het i past heyl eav et he gun.Sot hepai ntpar t i cl esgot ot heear t handwr apt hemsel v esar ound t henor mal l yt ubul arcomponent sandaev encoat i ngi sobt ai ned,v er y l i t t l ewast ageofpai nt . 21. Howi sBS4800usedi nt heconst r uct i oni ndust r y ? I tspeci f i es100col our soutoft he237i nBS5252.I ti susedt oi dent i f yt he exi st i ngcol ourpai ntf orwhi chmai nt enancepai nt i nghast obedone.I ti s usef ulf ort hemanuf act ur er ' st ov er i f ywi t ht hest andar dcol our sgi v eni nBS 4800( 100col our s) . Page47of48 22. Whatar et heessent i al di f f er encesbet weenbl i st erandosmot i cbl i st er ? Expansi onorcont r act i onoft hepai ntf i l m agai nstt hesubst r at eusual l y causesdr ybl i st er s.Osmot i cbl i st eri sabl i st er ,whi chcont ai nsgas,l i qui d, orcr y st al .I ti scausedbyt heent r apmentofsol v ent , hy gr oscopi csal t s.I ti s usual l ydomeshaped. 23. Whatshal l pai nt i ngequi pmentcompl ywi t hwhenbei ngusedont heBgas si t e? Tot hepai ntmanuf act ur er ' sr ecommendat i on. 24. Howdot hef ol l owi ngdi spl ayt hei rchar act er i st i cs? Bl eedi ngi sadi scol our at i onofanewpai ntappl i edov eranol done.Bi t umen andpai nt scont ai nr edpi gment sar epar t i cul ar l ypr obl emat i c. Bl oomi ng.I ti swher eaf i ni shi ngpai ntassumesami l kyt y peappear ance andt hel ossofgl ossduet ocol ourordampenedai rset t l i ngont hepai nt bef or ei twasdr y . Chal ki ng.Pai ntbecomespowder yorchal ky .Br eakdownoft hebi nderdue t oul t r av i ol etl i ghtandal soduet opoorweat hercondi t i on. Ci ssi ng.I ncompl et epai ntf i l msduet opai ntov eroi l andgr ease. Gr i nni ng.Seei ng t heunder l y i ng sur f acet hr ought hef i ni shcoat .Col our cont r ast , l ackofopaci t y . Fl occul at i on.Separ at i ngoutpai ntconst i t uent si nt het i nandt her ef usalt o best i r r edbackt oget heragai n. Li f t i ng.At t empt i ngpai ntov er , under neat hacoat i ng, whi chi snotf ul l ycur ed. Theev apor at i ngsol v entwi l l l i f tup, pi cki ngup. Roopi ness.Br ushmar ksi napai nt edsur f ace. Sol v entst r i ppi ng.Pai ntwi t h a power f ulsol v entwi l ll i f tt he coat i ng under neat hduet ot hepoweroft hesol v ent . Oxi di zat i on.Thedr y i ngpr ocessbet weencer t ai nbi nder sandoxy gene. g. al ky dr esi n. Chemi calcur i ng.Themi xi ngoft wocomponent swhi chpr oducesdr y i ngi na t wopackpai nt . Ov er spr ay .Pai ntwhi chi snotgoi ngt osubst r at e.Pai nt ,whi chf al l sov eran ar eawhi ch, i snotr equi r edt obepai nt ed. 25. Def i net hef ol l owi ng,Dew poi nt ,Rh,I nduct i onper i od,Potl i f e,Fl ashpoi nt , Shel fLi f e,Bat ch No. ,Maski ng outA. G. I ,Rustbl oomi ng,Wat erbor ne Page48of49 coat i ng, BSa21/ 2, Feat her i ng, ASt 3, PA9, P10. Dew poi nt :The t emper at ur e atwhi ch condensat i on woul df or m on a subst r at e. RH:Theamountofwat erv apouri nt heai rexpr essedasaper cent ageand cal cul at esf r om t hewetanddr ybul bt emper at ur es. I nduct i onPer i od:Thel engt hoft i meapai nti sr equi r edt ost andaf t ermi xi ng andbef or eappl i cat i on,t oal l ow t heai rbul bt oescapeandorchemi cal r eact i onst ot akepl aceandi sspeci f i edbyt hepai ntmanuf act ur er . Potl i f e:Thel engt hoft i me( f ol l owi ngi nduct i on)t hatapai ntr emai nsi nan appl i cabl econdi t i onaccor di ngt ot hemanuf act ur er ' si nst r uct i ons. Fl ashpoi nt :Thel owestt emper at ur eatwhi chagi v enmat er i alwi l lf l ash, i fa f l ameorspar ki spr esent . Shel fl i f e:Maxi mum i nt er v ali nwhi chamat er i almaybest or edi nausabl e condi t i on. Bat chnumber : Manuf act ur er ' sdat anumberf orpr oduct i ondat e. Maski ng out :Mustbe car r i ed outon i t ems t o be pr ot ect ed dur i ng pr epar at i onandpai nt i ng, i t emsnor mal l ymaskedoutar econt r ol equi pment , f i r epr ot ect i onequi pment ,wel dends,sensi ngandspr ay i ngheads,name pl at es. A. G. I : Abov egr oundi nst al l at i on. Rustbl oomi ng:I ti scausedbymoi st ur eorhumi di t yonnew bl ast edst eel andshowsupbef or epr i mi ng. Wat erbor necoat i ng: Onewhosesol v enti swat er .I tdr i esbycoal escent . BSa21/ 2:Rustgr adeB.Mi xt ur eofmi l lscal eandr ust .Pr epar edbyv er y t hor oughbl astcl eani ng. Feat her i ng:Smoot hi ngbackt hecoat i ngedget oal l owr epai r .Pai ntt of l ow i nt oandpr oduceasmoot hedgesi . e.smoot hi ngdownofr oughpai ntedges. ASt 3: Notpossi bl e. PA9:Bgasdocumentpr oper t i esandper f or mancer equi r ement sr ef ert o t heor der i ngofpai nt sandper f or manceofpai nt ssy st ems.Anypai ntused onBgaswor kmustcompl ywi t hPA9. PA 10:I ti st het echni calnamespeci f i cat i onf ornew andmai nt enance pai nt i ngatwor ksandsi t ef orabov egr oundpi pel i neandpl anti nst al l at i ons andi sar r angedi nt ot hr eesect i ons.Pr i mar yi nf or mat i on,gener alpai nt i ng i nf or mat i on, i nf or mat i onf orspeci f i cpai nt i ngappl i cat i ons. 26. Gi v easmuchdet ai l sasy oucanf ort hef ol l owi ng. SPA 1:Appl i est ot hepai nt i ngatwor korsi t eofnew i nst al l at i onand component sandmai nt enancepai nt .( CS) Page49of50 SPA2: Fori ndooruseandshor tt er m uses. SPA 3:New i nst al l at i onandmai nt enance,abov e100 c,upt o340 c,and abov e. SPA4: Pai nt i ngofdampf er r oussur f aces. SPA6: Pai nt i ngofnonf er r oussur f aces. PAPER2.( Bgas)PAI NTI NGGRADE3, 2. 1. Whatki ndofpr ocessi scor r osi on? El ect r ochemi cal pr ocess. 2. Whatpar t i cul arpr obl emsr el at et ot hemai nt ai ni ngofanef f ect i v ecoat i ng sy st em i nspl ashzone? Rapi dchangei noxy gen, sal tspr ay , gr owt hofmar i nel i f e, accesst ot he wor ki ng ar eai sdi f f i cul t .Wav ei mpactander osi on.Mechani cal damageduet oshi p mov ement . 3. Whatf act or si nf l uencet her at eofcor r osi on? a.Var i at i oni noxy gencont entonst eel sur f ace( wetanddr y ) b.RHper cent ageabov e60%. c.Hi ghernobi l i t ymet al si ncont act . d.Ai rbor neaci ds, al kal i sandsal t s. 4. Whati l l smi l l scal eandwhyi ti sapar t i cul arpr obl em whenat t empt i ngt o pr ot ectst eel ? Page50of51 Mi l l scal ei sanox i di zedi r on.Mi l l scal ei snobl ert hanst eel sot heexposed ar easofst eel ( anode)wi l l sacr i f i cei t sel ft opr ot ectt hemi l l scal e( cat hode) . 5. Whati st henumberoft heSwedi shst andar dcont ai nedwi t hi nBS7079and l i stt her ustandbl ast i nggr adest oget herwi t ht hei rbr i efr el ev antt i t l es? RUSTGRADE BLASTI NGGRADE Rustgr adeA-Cov er edi nmi l l scal ewi t h Sa1-Li ghtbl astcl ean. l i t t l eornor ust . Rustgr adeB-Ami xt ur eofmi l l scal e Sa2-Thor oughbl astcl ean. andr ust . Rustgr adeC-Mi l l scal e, r ust edwi t h Sa21/ 2-Ver yt hor oughbl astcl ean. sl i ghtsur f acepi t t i ng. Rustgr adeD-Heav i l yr ust edandpi t t ed. Sa3-Bl astcl eanandv i sual l ycl ean. 6. 7. Namet hr eet est sf orl ocat i nghy gr oscopi csal t sandmi l l scal eonabl ast cl eanedsur f ace. Pot assi um f er r i cy ani det est Sol ubl ei r onsal t s Si l v erni t r at e Sol ubl echl or i des Coppersul phat e Mi l l scal e Whatf act or si nf l uencehowcl eanandhowr ought hesur f acebecomes af t erbl astcl eani ng. Usi ngt hecor r ectabr asi v esensur i ngt hatsi ze, har dness, densi t yandshape ar et hecor r ectf ort hesubst r at e. Oper at or ' sabi l i t yt oensur epr operspeeds, angl esanddi st ancepl usspeed ( t i me) . Sur f acepr of i l eandcl eanl i ness. 8. Regar di nghandandpowert ool cl eani ngst at ewhatal way sconcl udest hi s pr ocessandt owhatst andar ds. Wi r ebr ushi ng: Br ushesmustbemadef r om phosphor , br onzeorber y l l i um br onze. St2-Thor oughhand&mechani cal cl eani ng( manual ) . St3-Ver yt hor oughhand&mechani cal ( mechani cal ) .Usedonr ustgr ades B, C, D. Page51of52 9. Whatt hr eebasi ci ngr edi ent smakeupat r adi t i onal sol v entcar r y i ngpai nt ? Bi nder , pi gmentandsol v ent . 10. Whatar et hef unct i onsofeachoft heset hr eei nasol v entcar r y i ngpai nt ? Bi nder s: I tbi ndst hepar t i cl est oget herandhol dst hem i nsuspensi on.Gi v es t hepai nti t sf i ni sh, makest hecoat i ngadher et ot hesur f aces, gi v es f l exi bi l i t y .Conv er t st oasol i ddr yf i l m, r esi st ancet owat erandchemi cal s. Pi gment s:Gi v escol ourandopaci t yt ot hepai nt .Resi st ancet oal kal i s, aci ds andl i ght . Sol v ent :Br ushes & equi pmentcl eaner ,t hi ns t he pai nt ,degr eases i f appr ov ed.f or mst heev apor at i v epar toft hedr y i ngpr ocess. 11. Namef i v ei t emst hatcanbei ncl udedi npai ntt oi mpr ov ei t sper f or manceor sui t abi l i t yf oracer t ai nuse. Dr i erorcat al y st ,ext ender s,pl ast i ci er s,t hi xot r opi c agent ,ant iski nni ng agent , st abi l i zer . 12. I dent i f ysi xpai nt sbyt hei rbi ndername. Pol y ur et hane,al ky d,chl or i nat ed r ubber ,epoxy ,emul si on,al umi ni um, achr ol i c, v i ny l , si l i con, cel l ul oseandzi nc. 13. Namef ourbi nder/sol v entcombi nat i on. Epoxy Chl or i nat edr ubber Al ky dr esi n Emul si on - Acet one. Xy l ene. Whi t espi r i t . Wat er . 14. Namesi xopaquepi gment st oget herwi t ht hei rr espect i v ecol our s. Cal ci um pl umbat e Redi r onoxi de Redl ead Zi ncchr omat e Zi ncphosphat e Coal t ar - Cr eamywhi t e Red Red Yel l ow Whi t e Dar kbr ownorbl ack. Page52of53 15. Descr i bewhatal ami narpi gmenti s. Thel ami narpi gment( M. I . O, Mi ca, gl assf l akes)par t i cl eshapet i nyhandsor l eav es,upondr y i ngt heyi nt er weav eandov er l apeachot hert of or m al eav e t y pe.Sur f acepr ov i desal owper meabi l i t yt owat er . 16. Whati st hedi f f er encebet weenaconv er t i bl eandanonconv er t i bl ecoat i ng? Conv er t i bl ecoat i ngdr i esbychemi cal l ychangi ngupon, af t er war dsi tcannot besof t enedordamagedbyi t sownsol v ent .Nonconv er t i bl ecoat i ngdr i es bysol v entev apor at i ononl y .I tcannotbedamagedorsof t enedwheni t cont act swi t hi t sownsol v ent . 17. Def i net het er mi nduct i onper i od. Thel engt hoft het i me,t het wopackhast ost andaf t ermi xi ng,bef or e appl y i ngf oral l owi ngt heai rbubbl est oescapeandchemi calr eact i onhas t ot akepl aceandi sst at edbyt hemanuf act ur er . 18. Def i net het er m potl i f e. Thel engt hoft i meaf t eri nduct i ont het wopackpai ntr emai nsi nanappl y i ng condi t i on, accor di ngt ot hemanuf act ur er ' si nst r uct i ons. 19. Def i neabar r i ersy st em ofcoat i ng. Thi st y pe ofcoat i ng i sol at es t he subst r at ef r om t he env i r onmentby pr ov i di ngal owper meabi l i t ycoat i ngsy st em. 20. Def i net het er mt i ecoatandgi v eanexampl eofi t suse. A coat used t o appl y ov er t wo i ncompat i bl e coat i ngs e. g.dur i ng mai nt enancepai nt i ng. 21. Whati st hedi f f er encebet weent her moset t i ngandt her mopl ast i c? Page53of54 Heatcur edpl ast i c, Ther moset t i ng:Theycan bef or med byheat i ng and cur i ng heatcur ed pl ast i c.Af t erset t i ngt heywi l l notsof t enordegr ease. Ther mopl ast i c:Theycan bef or med byheat i ng and cur i ng heatcur ed pl ast i c.Af t erset t i ng,whent heyar er eheat edi twi l lbecomesof t erand becomel i qui dandagai ncanber eused. 22. Whati si mpr essed cur r ent .Whatpr obl em can ar i sef r om i t si ncor r ect set t i ngup? Vol t agef r om anext er nalpowersour cecal l edat r ansf or merr ect i f i eri s i mpr essedont heci r cui tbet weent hepi pel i neandbur i edear t hconnect i ons knownasgr oundbedsr esul t i ngi nadi r ectcur r entbei ngdi schar ged.I n di schar gi ng cur r entt o ear t ht he gr ound bed mat er i al s ar e subj ectt o cor r osi on.Thei mpr essedsy st em canbeusedi nal l t y pesofsoi l r esi st i v i t es. Thegr eat ert her esi st i v i t yt hegr eat ert hedr i v i ngv ol t ageorno.ofanodest o achi ev eCPcat hodi cdi sbondmentwi l l occur . 23. Namet wot y pesofpai ntmi l l andgi v et woexampl esofeach. DI RECTCHARGEMI LL PREMI XMI LL Bal l mi l l Bi gmi l l ( Bal l ot oni ) At t r i t ormi l l Sandpear l andBeadmi l l Hi ghspeeddi sper sermi l l Sl ur r ymi l l COLLOI DMI LL Si mpl er ol l Dr i edr ol l mi l l Tr i pl er ol l . 24. Whati st het i t l eofBS3900? Met hodoft estf orl i qui dpai nt . Howmanyt estset sar ei nBS3900? Ei ght . Howar et het est si dent i f i ed( name, number ) ? Ti t l eandl et t erf r om At oH. A.Met hodoft estf orl i qui dpai ntf i l ms( excl udeschemi cal s) B.Li qui danddr i edf i l msi ncl udechemi cal exami nat i on. C.Testassoci at edwi t hpai ntf i l mf or mat i on D.Opaci t yt estonpai nt s. Page54of55 E.Mechani cal t estonpai ntf i l ms F.Dur abi l i t yt estonpai ntf i l m. G.Env i r onment al t estonpai ntf i l m. H.Desi gnat i onofi nt ensi t y ,qual i t yandsi zeofcommont y peofdef ect . Gener al pr i nci pl eandr at i ngscheme. 25. Whatdoesaf i nenessofgr i ndgaugemeasur e? Gr i ndgaugemeasur espi gmentgr ai nsi ze, howf i nel yt hepi gmenthasbeen ( gr ai ned)gr oundi nt hemi l l i ngpr ocess. 26. Whati st hef l ashpoi ntandbywhatappar at usi si tdet er mi ned? I ti st hemi ni mum t emper at ur eatwhi cht hev apour sofal i qui dbegi nt o i gni t ewhent heext er nal sour ceofi gni t i oni si nt r oduced. Thecl osedcupAbel t y pedet er mi nesf l ashpoi nt . 27. Whati sv i scosi t yandwhatequi pmenti susedt omeasur et hev i scosi t yofa f r ee f l owi ngpai ntandThi xot r opi cpai nt ? Vi scosi t yi st hei nt er nal measur eoff l ui dr esi st ancet of l ow. a)Fr eef l owi ngpai ntv i scosi t yi sdet er mi nedbyFor df l owcupno. 4. b)Thi xot r opi cpai ntv i scosi t yi sdet er mi nedbyr ot at i ngv i scomet er / r ot a t hi nner , kr ebsst or merv i scomet er .Sett her . p. mt hr ought hewi ndowat 200r . p. m.t omakei taf r eef l owi ngpai nt .Pai nti sputi nt hev i scomet er andpai nti st hi nnedsi mi l art ot hef or df l owcupno. 4t est , not et het i me t akenf ort hepai ntt obebr okent odr opl et s.Ti met akeni nsecondswi l l gi v et hev i soci t y . 28. Whati sdensi t ycupandgi v eanexampl eofi t suse? Smal l bl ackcupof100cc, whi chi smadeofai r cr af tal l oy , i sknownas densi t ycup.Thel i di ni thasahol ei nt het op.Pourt hepai nti nsi det he densi t ycup.Cl osei twi t ht hel i d.Wi peoft heext r apai ntcomi ngoutoft he hol ef r om t hecup.Wei ghi tbyusi ngt hef or mul aDensi t y=Wei ght/v ol ume. Fi ndoutt hedensi t yoft hel i qui d. Densi t ycupi susedf or , a)Tocheckt heamountofsol v entaddedt ot hepai nt . Page55of56 b)Whet hert het wopackpai nthasbeenmi xedt ot hecor r ectr at i o. 29. Cal cul at et hev ol umeofsol i dsoft hepai nti ft heW. F. Twas186mi cr ons andt heD. F. T-93mi cr ons. VS%=D. F. Tx100=50% W. F. T. 30. Cal cul at et heW. F. T.ofapai nti ft heVs%gewas66andD. F. Twas88 mi cr ons. W. F. T=D. F. Tx100=133. 3mi cr ons Vs% 31. Cal cul at et heD. F. T.ofpai nti fVs%was44andW. F. Twas234mi cr ons. D. F. T=W. F. TxVs% =102. 96mi cr ons 100 32. Cal cul at et hedensi t yofpai nti fa5l i t r et i nwei ghed15kg. Densi t y=wei ght=3gms/cu. cm Vol ume 33. Cal cul at et hedensi t yoft wopackmat er i al i fpar tApai ntwas1. 5g/ cu. cm and par tBcat al y stwas0. 5g/cu. cm ( assumer at i o1: 1) 1. 5+0. 5=1g/cu. cm 2 34. Nameanexampl eofanondest r uct i v eD. F. T.gaugeanddest r uct i v eD. F. T. gauge. NDT-D. F. T.gauge-El ect r oni cgauge, bananagauge. DT-D. F. T.gauge-Pai nti nspect or sgauge. 35. Namef ourar t i f i ci al weat her i ngdev i cesandsaywhatt heyar edesi gnedt o si mul at e. Sal tspr ayt est - Mar i neenv i r onment Page56of57 Tr opi cal boxt est Wat ersockt est Col dcr ackt est Cr acki ng f i l m t emp) Hi ghhumi di t yenv i r onment Testf orper meabi l i t yofpai ntsy st em Testf orl owt emper at ur e Temper at ur ecy cl i ngt estf orf l exi bi l i t yofpai nt v ar y i ngt emper at ur eal t er at i on( hi ght emp&l ow 36. Namet wodr y i ng/cur i ngt est sandst at ehowt heyar eoper at ed. Dr y i ng/cur i ngt est : Bal l ot i ni t est -har denedst eel bal l sputov ert hewet pai ntf i l m panel . St y l ust est : I tconsi st sofaser i esoft r ai l i ngneedl es.Tof i ndoutt ackdr y , har ddr yandf ul l ycur ed. Col dl eaft est : I ti smov edov ert hewetf i l m si ncet heyar eusedi ndi f f er ent t ensi ons. 37. WhatdoesaCr y pt omet ermeasur eandgi v et woexampl esofa Cr y pt omet er . I ti susedt omeasur et heopaci t y .Hi di ngpowerchar t sandPf und Cr y pt omet er . 38. Whatdet er mi nest hedegr eeofgl oss, apai ntmaypossess. a)Ther at i obet weenbi nderandpi gment .Thef i nenessoft hepi gment gr i nd. b)Fi nenessofpi gmentgr i nd. c)Ski l l ofspr aypai nt er . d)Met hodofappl i cat i on. e)Absor bi ngoft hesubst r at ef ort hepai nt . 39. Namet hr eeadhesi ont est sanddescr i behowoneoft hem i scar r i edout . a)Cr osscutt est b)Cr osshat cht est c)Dol l yt est . Cl ean, degr easeandr oughent hesur f ace.Appl ydol l ywi t hr egul arar al di t e andgi v e24hr st i meat25 c.Cutar oundt hedol l yt oi sol at et hesubst r at e. Appl yt hepul l of ff or ceandf i ndout , Page57of58 1.Atwhatpr essur e( psi )f ai l ur eoccur s. 2.Whatt y peoff ai l ur eoccur s.Cohesi v e/ adhesi v e. 40. St at et hecondi t i onsunderwhi chBgasal l owspai nt i ngt ot akepl ace. a)Theambi entorsur f acet emper at ur eshoul dbeat l east3 candabov e t hedewpoi ntt emper at ur e. b)Ther el at i v ehumi di t yshoul dbel esst han90% c)Temper at ur e condi t i on f or appl y i ng pai nt shoul d be wi t hi n t he manuf act ur er ' si nst r uct i on.( maxi mum andmi ni mum t emper at ur e) 41. Nameei ghtdut i esofapai nti nspect or . 1.I nspectandr epor t 2.Hemustactwi t hi nt egr i t yatal l t i mesandt r uet ot hespeci f i cat i on. 3.Lear nt hespeci f i cat i onandf ami l i ar i zewi t ht hepl ant sandequi pment used. 4.I nspectt hesubst r at econdi t i on( gr adeofpai nt )andsel ectasui t abl e pai ntsy st em aspert hespeci f i cat i onr equi r ement . 5.Checkwhet herdr ybul bt emper at ur e, dewpoi nt&RH%i swi t hi nt he accept abl el ev el ornot . 6.I nspectt hepr epar edsur f acef ori t ssur f acepr of i l eandcl eanl i ness ( gr adeSa1, Sa2, 21/ 2, 3) 7.Ver i f ywhet hert hecor r ectmat er i al hav ebeenobt ai nedf ort hepai nt appl i cat i on. 8.Wi t nesspai ntpr epar at i on( mi xi ng)andoper at i onatsi t e. 9.Measur eWFT, DFTandcheckadhesi onandcur i ng. 10. Maker epor t s-dai l y , weekl y , mont hl y . 42. Li stei ght cont r act ormal pr act i ce. 1.Usi ngunqual i f i edper sonnel . 2.Usi ngunsaf epl antandequi pment . 3.Usi ngequi pment , whi char ei npoorcondi t i on. 4.Pr oceedi ngt of ur t hercoatwi t houti nspect i onbei ngcar r i edout . 5.Appl y i ngcoati nwr ongsequence, omi ssi onofacoat . 6.Appl yawr ongpai nt . 7.Useofdat e, expi r edpr oduct s. 8.I mpr opercoat i ngt hi ckness. 9.Usi ngmor esol v ent . Page58of59 10. Lesst hi cknessofcoat . 11. I mpr opermi xi ngofpai nt . 43. Namet hr eemet hodsofappl y i ngpai ntandcompar et headv ant agesand di sadv ant agesofeachi nt er msofqual i t yandcostef f ect i v eness. Br ush: Cheapeasymet hod, bestf orappl y i ngpr i mer s.Di sadv ant ages-sl ow, cov er ssmal l ar easandmessyt ohandl e. Rol l er : Cheapandeasyt oappl y .Di sadv ant ages-unev encoat i ng, or ange peel ef f ect . Conv ent i onal ( ai r ) : Expensi v e( f ourt of i v et i mescost l i ert hanot her s) , cov er s l ar gear eas.Di sadv ant ages-ov er spr ay . 44. WhatdoesBS2015, gl ossar yofpai ntt er msr ef ert oandgi v et hr ee exampl es? 1.Bl eedi ng: Penet r at i nganddi scol our i ngofpai ntcoat edov eri t . 2.Bl i st er i ng: Domeshapedbl i st er sf or medduet ocont r act i on-dr ybl i st er s. 3.Osmot i cbl i st er s: I ti sf or medduet oent r appedl i qui d, gasandsal t s. 4.Chal ki ng: Pi gmentbecomeschal kyorpowder ywheni tcomesunder chl or i des, sul phi des. 5.Fl occul at i on: Separ at i ngoutofcer t ai nel ement s. 6.Gr i nni ng: Seei ngt heunder neat hsur f acet hr ought hef i ni shcoat . 7.Hol i day s: Poor l yormi ssedcoat i ng. 8.Pi nhol i ng: Hol esdownt hr ought hepai ntcausedduet oescapeofgases. 45. Whati sBS4800andhowi si tusedi nt heconst r uct i oni ndust r y ? I ti sar r angedof100st andar dcol our st akenf r om t he237col our scont ai ned i n BS5252andusedi nt heconst r uct i oni ndust r y .I tcanbeusedt oi dent i f y exi st i ngcol our swhenmai nt enancepai nt i ngandi samet hodbywhi chal l manuf act ur er scanmakeexact l yt hesamecol our . 46. HowdoesBgasdef i net hef ol l owi ng. Longt er m pr ot ect i on: Upt o10y ear s. Shor tt er m pr ot ect i on: Upt o23y ear s. Medi um t er m pr ot ect i on: Upt o5y ear s. Newgal v ani zi ng: Asubst r at ecoat edwi t hzi ncgal v ani zedsur f acewher e Page59of60 t hi scohesi v eoxi del ay erhasnotf or medgl ossyandshi nni ngappear ancel esst hant hr eemont hsol d. Weat her edgal v ani zi ng: Wi r ebr ushedwi t hst i f fbr ushes, mor et han3 mont hsol d.Agal v ani zedsur f acewher et hecohesi v eoxi del ay er shas f or meddul l andl acki ngi nsheen. 47. Whati st hepr ocedur ef orr emov i ngoi l andgr easef r om asur f acebef or e pr epar at i oncommences? Becauseofoi l&gr easepai ntwi l lnotspr eadpr oper l y .Whi t espi r i tshoul d notbe used.Useonl yappr ov edsol v entwi t hsaf et ypr ecaut i ont obef ol l owed.For appl y i ngsol v entusedi sposabl eswab.Donotusecot t onr ags.Af t ersol v ent cl eani nguseadet er gentpr essur ewashi ngf ol l owedbycl eanwat er , r i nsi ng and t hendr y i ngi t . 48. Whati st hepr ocedur ef orr emov i ngoi l andgr easef r om asur f ace, f ound af t er pr epar at i onhast akenpl ace? Useappr ov edsol v entandaf t erdegr easi ng, dopr essur ewashi ngwi t h2% det er gentf ol l owedbycl eanwat err i nsi nganddr y i ngi tof f .Rebl astand cl eani t . 49. Whati st hepr ocedur ef orr emov i ngAl gaeandmoul dgr owt hf r om pi pe wor k? Appl yant i f ungi ci dalbi oxi dantov ert heal gaeandmoul dgr owt handgi v e mi ni mum t went y f ourhour st i me.Leav ei tf r eef ort hi sper i od.Af t ert hi s t i meel apseusest i f fwi r ebr ushest oscr ubof f ,pr essur ewashwi t ha det er gentf ol l owedbycl eanwat err i nsi ng. 50. Underwhatcondi t i onsmustpai ntbest or ed? I naddr y , l ockabl e, wel l v ent i l at edbui l di ngawayf r om gasar eas, f l ames, heatspar ksandr ay soft hesunandf ol l owanyspeci al st or agecondi t i on. Page60of61 51. Whati sTwash?Whati si tusedf or ?Whatcol ouri si t ?Howdowecheckf or acor r ectr eact i onwhenusi ngi t ? I ti sanet chpr i mer . Whenappl i edf i r sti tpr ov i desakeyf ornewgal v ani zedst eel . Bl uei ncol our . Tur nsbl ackupondr y i ng.* Twashshoul dnotbeusedi nal umi ni um.Use PVB* 52. Whatt wocoatpai nt sar eappl i edatwor ks? Hi ghsol i dsol v entbasedepoxypr i mert o75mi cr onsd. f . t . Epoxym. i . o.Mi dcoatt o75mi cr onsd. f . t . 53. Whatdi st ancemustbel ef tatar east obewel dedwhenpai nt i ng? Sev ent y f i v emm. 54. Howmuchmustnewpai ntov er l aponol dr epai r s? Hundr edmm. 55. Whati st hemaxi mum al l owedt i mef orpr i mi ngt ot akepl acef ol l owi ngt he pr epar at i onandbywhatmet hodi spr i merappl i ed? Maxi mum f ourhour sf ol l owcompl et i onofbl ast i ng.ExceptSpa4wher e pr i mi ngi si mmedi at e.Bybr ushi ngorspr ayasappr opr i at e. 56. WhatdoBgascl assashotdut yser v i ces? Onewhi chr eachesat emper at ur eofabov e99 c, when( i ti swor ki ng)i nuse. 57. Whatmustal l pneumat i cal l yandel ect r i cal l yoper at edpowert ool equi pment ' s shoul dbedonebef or euse? Pr oper l year t hed. 58. Whatt y peofsheet i ngmayandmaynotbeusedf orpr ot ect i onagai nst Page61of62 spi l l ageandspot t i ng? Sheet i ngmustbenonf l ammabl e.Fl ammabl esheet sl i ket ar paul i nsshoul d notbeused.( Fi r ehazar d) 59. Whatmustnotbeusedt ocl eanoutket t l esordi sposeofr ubbi sh? Fi r eorf l ames. 60. Gi v et her ul esf ormi xi ngofpai nt sr egar di ngsi zes. Upt of i v el i t r esmaybemi xedbyhand.Abov ef i v el i t r esmustbe mechani cal l ymi x ed. 61. Whatar eosmot i cbl i st er sandwhatcancauset hem? Osmot i cbl i st er sar ebl i st er s, whi chcont ai nl i qui d, gasorcr y st al s ( chl or i des) .Mai ncausesar esol v entent r apment , wat erent r apment , hy gr oscopi csal t sl ef tont hebl astcl eanedsur f ace. 62. Somemet al sar edi f f i cul tt opr epar e.Namet hr eeanddescr i behowy ou mi ght pr epar et hem. 1.Al umi ni um sheet i ngex t r usi ons: I nf act or y-Degr easei naci dbat h.Onsi t e -Et chanddegr easewi t hemer ycl ot handwhi t espi r i t .Et chpr i mer , zi nc chr omat e( nol eadpai nt s) . 2.Gal v ani zedi r on( st eel di ppedi nmol t enzi nc) : I nf act or y-Degr easei n aci doral kal i bat h( t wash) .Onsi t e-Al l owt oweat herf orsev er al mont hs ordegr easewi t hzi ncchr omat e, cal ci um pl umbat eoret chpr i mer . 3.Copper , br assandbr onze: I nf act or y-Degr easei nsol v entbat h.Onsi t eUseemer ycl ot handwhi t espi r i t( donotweat herordr yabr ade) .Et ch pr i mer . 63. Wher edoesapi pel i nel eav et hegr oundandwhatpr obl emswoul dy ouf i nd andhowmi ghty out r eatt hi s? Sket ch: Page62of63 1.Mechani cal damagef r om backf i l l i ng. 2.Rapi dchangei noxy geni nsoi l , st eel i nt er f aceduet oal t er nat ewet t i ngor dr y i ngcondi t i ons. 3.Soi l maybechemi cal l yr eact i v e. 4.Aci dat t ack. 5.Wi l l pr oducecor r osi on.-a)appl yext r acoat i ng b)appl ymaski ng ( pol y et hy l ene) c)bet t erdr ai naget oav oi dst andi ngwat erd)t op must l ewel l seeded. 64. Whataddi t i onal i nf or mat i onwoul dy our ecor dwhenmai nt enancepai nt i nga pi pel i newi t houtr emov i ngt hepr ev i ouscoat s? 1.I tneedst obeest abl i shedwhet hert heexi st i ngsy st em cont ai nsany t oxi ccoat i ngsast hi swi l l di ct at et hemet hodofpr epar at i onused. 2.Ar et heexi st i ngcoat i ngscompat i bl et ot henew sy st em i nt er msof adhesi onpossi bi l i t yofsol v entst r i ppi ng,possi bi l i t yofbl eedi ng.Gett he i nf or mat i onf r om t hepai ntmanuf act ur er . 3.Fur t her i nf or mat i on r equi r ed. Nat ur e and ext ent of sur f ace cont ami nat i on,ext entofbr eak down,ext entofcor r osi on,wher e adhesi onpr obl ems,sol v entst r i pi ngorbl eedi ngmi ghtoccur .At i ecoat woul dbeempl oy edt opr ev entt hesepar t i cul arpr obl emsar i si nge. g. i nser v i ceenv i r onment al condi t i on. 65. Namef i v epai nt sandst at et hei rdr y i ngorcur i ngmet hod. 1.Emul si on-Coal escence-Ev apor at eswi t houtchemi calact i onbuti tal so get sdr i esl i keanonconv er t i bl ebutact sl i keaconv er t i bl ecoat i ng. 2.Al ky d-Sol v entev apor at i onf ol l owedbyoxi dat i on. 3.Chl or i nat er ubber-Sol v entev apor at i ononl y .Nonconv er t i bl ecoat i ng. 4.Twopackepoxy-Sol v entev apor at i onf ol l owedbychemi cal r eact i on. 5.Fusi onbondedepoxy-Heatcur ed-Ther moset t i ng, conv er t i bl ecoat i ng. 66. Nameabl ackpi gmenti ncommonuseapar tf r om coal t ar . Car bonbl ocks. 67. Whati sahol i daydet ect orandapi nhol edet ect or ?Whatdoesi tdet ect , and howdoesi twor k? I ti sanel ect r i cal dev i ceappl i edt odet ecthol i day s, pi nhol e, v oi dset c. , Page63of64 Coi l spr i ngt y pe: 1.Pr esett hev ol t age. 2.Passt hi shol i dayequi pmentt hr oughi t( j ob) . 3.Wher et her ei sahol i daypr esent ,i tpr oducesaspar k,v i sualwar ni ng audi osi gnal peepwi l l behear d. 4.Speedofr unni ngt hecoi l i s1f t-2f t / sec. I tneednotbeusedonabov egr oundcondi t i ons.I tcanal sobeusedi nsi de t anks,of f shor est r uct ur e,andpl at f or ms,onunder gr oundpi pel i nes100% hol i dayt esti sr equi r ed.Br ushshape,hor seshoet y pe,coi lspr i ngt y pe,wet spr i ngt y pear et hev ar i oust y pesofhol i dayandpi nhol edet ect or s. 68. I fy ouwor kedonacont r actwher ef r equentst oppagesoccur r edf orpoor weat her , whataddi t i onal i nf or mat i onwoul dy our ecor d? 1.Ti meofst ar t i ngandst oppi ngofwor k. 2.Wast ageofmat er i al sshoul dbenot eddown. 3.Ext r ar easonsf orweat her . 4.Pr ogr essoft hewor kbef or et hewor ki sst opped. 5.Recor d ofdamages t o par t l y dr i ed coat i ng on t o pr epar ed ar eas ( bl ast ed) . 69. I fapi pel i newasi ndi r ectcont actwi t hacoust i ccl addi ngwhatpai ntsy st em mi ghtbeappl i edi fwewi shedt omai nt ai ni tev er yt hr eey ear sornotatal l ? Cl addi ng-Nomai nt enancer equi r ed. Acoust i ccl addi ng doesnothav eanyant icor r osi onpr oper t y .Acoust i c cl addi ngr educest henoi sel ev elby10-20dB.Ther malcl addi ngi scar r i ed outt owi t hst andt het emper at ur esi nbet ween10 ct o+1000 c. 70. Whati si mpor t antaboutsel ect i ngapai ntsy st em sui t abl ef oracer t ai n env i r onment ? Eachandev er ypai nthasi t sownchar act er i st i cs.Sel ectapai ntsy st em t hat shoul d wi t h st and t he env i r onment alcondi t i ons and compl y wi t ht he speci f i cat i onr equi r ement .Mar i necondi t i ons, hi ghhumi dcondi t i on, t ool ow t emper at ur econdi t i ons. 71. Whati nf or mat i ondoBgasr equi r et obeonapai ntt i nandwhatBgas documentdeal swi t ht hepr oper t i esandper f or manceofpai nt s. Page64of65 ThedocumentPA9pr oper t i esandper f or manceofpant . 1.Manuf act ur er sname. 2.Tr anscoi dent i f i cat i onnumber . 3.Descr i pt i onoft hepr oduct . 4.Col ourcode( speci f i edbyTr ansco) 5.Anyspeci al st or ager equi r ement . 6.Theexpi r ydat e. 7.Appl i cat i ongr ade( br ush/ spr ay ) 8.Bat chi dent i f i cat i oncode. 9.I dent i f i cat i onofpar t s, mi xi ngr at i obyv ol ume( pai ntcat al y st ) 10. Anymar ki ngr equi r edbycur r entl egi sl at i on. 72. Whati sunusual aboutt hepr epar at i onofsur f aceswhi char edeal tbySPA4? Af t erbl ast i ngr emov egr i tcont ami nat i onwi t hcl eanwat er . 73. Descr i bewhaty ouknowofHASWAandCOSHH? HASWA -Heal t hand saf et yatwor kact1974.I tdeal swi t hdut i esof empl oy erandempl oy eewi t hr egar dt oheal t handsaf et y .Empl oy eeshoul d r epor tacci dent ,spi l l age.I ti sast at ut or yr equi r ement .COSHH-Cont r olof subst anceshazar doust oheal t h1988. 74. Gi v eoneadv ant ageofusi ngt est ext apeandpl ast i cdi sposabl eW. F. T combs. I tcanbekeptasaper manentr ecor d. 75. St at et hepr i nci pl esofbei ngabl et ouseabananagaugef ort aki ngD. F. T. r eadi ngs. Whenusi ngt hebananagaugeonf er r ousmet al( subst r at e)coat edwi t hnon f er r ouscoat i ngs,t hent heD. F. Tcanbemeasur edwi t hbananagauge.I t wor ksont hepr i nci pl eofmagnet i sm. 76. Br i ef l ydescr i bet hev ar i ouspai ntappl i cat i onmet hodsandi t sl i mi t at i ons. Br ushappl i cat i on: Br ushpai nt i ngi ssai dt oachi ev esuper i orwet t i ngandi st heonl yaccept abl e wayt o appl ysomeant icor r osi v epr i mer s.Br ushmar ksl eadst oar easofl owf i l m Page65of66 bui l d. Useofbr ushi ssl ow, andt i meconsumi ng.Rubbi ngact i onofabr ushcanbe and addi t i onalai dt ogoodadhesi on.Abr ushofsui t abl esi zef ort hewor ki n hand shoul dal way sbesel ect ed,asasmal lbr ushonal ar gear eamakesi t di f f i cul tt o appl yanev encoat i ngandsl owsdownt her at eofwor ki ng,whi l stusi nga l ar ge br ushonanar r owar eamakesaccur at ewor ki ngi mpossi bl e. Rol l er s: Qual i t yofr ol l erappl i cat i ondependspar t l yont hecov er i ngorsl eev eoft he r ol l er andpar t l yonhowconsci ent i oust heappl i cat ori s.I ti snotsui t edf orant i cor r osi v e andant i f oul i ngpai nt s. Di pcoat i ngs: Pai ntmusthav eaf astdr y i ngt i me.Thepai nti nt hedi ppi ngt ankmustbe st i r r ed cont i nuousl yast hev i scosi t yoft hepai nti si mpor t ant .Rapi dwi t hdr awal f r om t he di pt ankcancauset oot hi nacoat i ng. PowderCoat i ng-Fl ui dbed&El ect r ost at i cTechni que. Af l ui dbedi sonei nwhi chamassofbr okenupsol i di skepti nast at eof agi t at i on bymechani calorot hermeans.Fl ui dbedsf orcoat i ngpur posesconsi stof f i nel y powder edpi gment edr esi noussol i dst hr oughwhi chai ri sbl ownt okeept he par t i cl esi nmot i on. El ect r ost at i cSpr ay : Pai nti sspr ay edf r om apr essur ef eedt ankt hr oughaf l ui dhoset ot hegun i nt he usual way .Att hesamet i mepai nti sgi v enav eel ect r i cal char ge.Ast he el ect r i cal l ychar gedpai ntl eav est hegun, i tat omi zesandeachpar t i cl ei s at t r act edt o anyear t henobj ect , i ni t spat hi . e.t hear t i cl ebei ngspr ay ed. Conv ent i onal spr ay i ng: Thi si nv ol v esusi ngacompr essedai rt obot hat omi zet hepai ntandt o conv eyi tt o t hesubst r at e.I nhi ghpr essur e, t hepai nt i ngi sst or edi napr essur ed Page66of67 cont ai nerf r om whi chl ar gequant i t i escanbedel i v er edqui ckl y . Ai r l essspr ay i ng: Pai ntsuppl i edbyahy dr aul i cpumpi sf or cedathi ghpr essur et hr ougha nar r ow or i f i cei nat ungst encar bi denozzl e.Thepr essur ei ssucht hatt hepai nti s at omi zed andcar r i edt ot hesubst r at ebyi t sownmoment um. 1.PAI NT/PAI NTI NGI NSPECTI ON -PAPER1 BgasGr ade-1 Page67of68 1. Descr i bet hef ol l owi ngt er msa)Spl ashzoneb)Jacketc)Cai sson Spl ashzone: 2. 5mt+12mtabov et heL. A. T. Jacket : Wel dedsuppor tf r ameoft hepl at f or mt ubul ar . Cai sson: Openendedpi pet hatr unsf r om t opsi dest ot heseabot t om.Has pumpsandf i l t er st ot akewast eaway . 2. Whi chst at ut or yi nst r umentdocumentr el at est osaf et yf orof f shor e? SI-1091.Theof f shor esaf et yr egul at i on1976. 3. Li stt hesaf et ymeasur esr equi r edf orov ert hesi dewor ki ngi ndescendi ng or derofpr ef er encei fscaf f ol di ngi snotpr act i cabl e. 3Rai l bar r i er Saf et ynet Saf et ybel tl i ne Rescueboatandr adi o Ful l l i f ej acket . 4. Whoi sul t i mat el yr esponsi bl ef orsaf et yatof f shor e? O. I . M -Of fshor ei nst al l at i onmanager . 5. Namef ourdecksonapl at f or m. Hel i deck Spi der deck Dr i l l i ngdeck Cel l ar deck. 6. Namet hr eemaj ordanger s, whi chexi stwhenwor ki ngof f shor e? Fal l i ngov er boar d, f i r eexpl osi onandadv er seweat her( gal es&st or ms) 7. Namet hr eemet hodsofkeepi ngapl at f or mi naf i xedposi t i on. Pi l i ng, semi submer si bl e, mat er i al suppor t , j acketl egs, seat ank. 8. Howar eescaper out esi dent i f i edonanof f shor epl at f or m? Page68of69 9. Byar r owscutoutofr ef l ect i ngst r i psandf i xedont opoft henonski d desi gnat eddeck.Deckcoat i ng: 100mm -Pr i mer out e, 50mm -Sear out e. Whatpr ecaut i onsmustbeobser v edwhenboar di ngandt r av el l i ngi n hel i copt er s? Al l asdescr i bedi nt heC. A. A.cour sewhi chy oumustat t endbef or e t r av el l i ngof f shor e. 10. Howof t eni smedi cal t r eat mentr equi r edf orper sonnel wor ki ngof f shor e? Fr om t heages30-39, ev er y3y ear s. Fr om t heages40-50, ev er y2y ear s. Fr om t heage50andabov e-y ear l y . 11. Li stt heessent i al i t emsofcl ot hi ngandequi pmentf oranof f shor epai nt i ng i nspect or . Ri gger sboot s, saf et yhel met , 100%cot t onov er al l s, saf et ygl asses, andl i f e bel t-j acketandweat herandpai nti nst r ument s. 12. Whati sbr eakercapsul e? Acompl et el yencl osedsaf et yandr escueboatf orescape. 13. Ar epai nt er sper mi t t edt oer ectscaf f ol di ng? No.I tmustbet hewor kofaqual i f i edscaf f ol derhol di ngaC. I . T. Bcar d. Pai nt er spai ntonl y ,butt heycanr ef uset owor kont hescaf f ol di ft heyar e notsur eofi t ssaf et yf ort hei rj oborper sonnel saf et y . 14. Descr i bet hemeani ngofH-120i nr el at i ont of i r epr ot ect i on. H-st andsf orhy dr ocar bon.120st andsf ort het i mei nmi nut es, t hatt hef i r e pr ot ect i onsy st em i sdesi gnedt ost opt hepassageoff l ames,smoke,t o al l owper sonnel t oescapet osaf et y . 15. Onwhatpar t sofanof f shor est r uct ur ear eant i f oul antcoat i ngsappl i ed? Namet wocommont y pesoft oxi cmat er i al usedi nant i f oul ant s. Ant i f oul antcoat i ngsar eappl i edont hesubmer gedandspl ashzonear eas Page69of70 oft hesea. Or gani ct i n,cupr osoxi dear et wocommont y pesoft oxi cmat er i al susedi n ant i f oul ant s.Mer cur y , ar seni candl eadar enotused. 16. Namet het wot y pesoff i r epr oofcoat i ngs.saywhi cht y pei susedmost l y and descr i behowi twor ks. Cement i ous and I nt umescent ar et wo t y pes of f i r epr oof coat i ngs. I nt umescentcoat i ngs ar et he pr ef er r ed ones f orof f shor e coat i ng i n hy dr ocar bonf i r esandcel l ul osi cf i r es.Theyswel lupt omanyt i mest hei r t hi cknesst husdel ay i ngt hef i r espr eadupt o200% 17. Whatappl i cat i onr equi r ement sar especi f i edf ort hespr ayappl i cat i onof pai ntt ol ar gesur f acear eas? Themanuf act ur er ' sspeci f i cat i onsheet s( dat a)speci f yt heappl i cat i on r equi r ement s.Lar gef anspr ay s, v er t i cal andhor i zont al par al l el passes, nonor gani cpai nt i ngsshoul dov er l apby50%. 18. Forwhi chcoat edar easi s100%hol i daydet ect i onr equi r ed? Seabedandspl ashzonet ot hecel l ardeck. 19. a)Fi ni shbl astcl eani ngmaybenotcar r i edout , when? Whent hedewpoi nti snotabov e3 cabov et hest eel t emper at ur e. b)Canbl astcl eani ngbecar r i edoutatni ght ? Yes, butmustbef i ni shedi nt heday l i ght . c)Whatst andar di sspeci f i edf orpowert ool cl eani ng. ST3. d)Powert ool cl eani ngmustov er l apexi st i ngcoat i ngbyat l east-50mm. e)Coat i ngsmustnotbeappl i edwhensur f acesar el esst han-3 cabov e DP, whenRH%i sabov e85%. 20. a)Coat i ngsmustnotcomewi t hi n-50mm ofwel dpr epar at i on. b)I si tper mi t t edt ospr aypai ntf r om aBOSUNSchai r-no, butbr ush Page70of71 appl i cat i oni saccept abl e. c)Whatdi st anceandangl eshoul daspr ayguni shel df r om t hesur f ace? Di st ance-18" , 450-600mm, atanangl eof90 . PAPER2.PAI NTI NGGRADE1( Bgas)-OFFSHORE. 1. WhatdoesaRadi omanf ul f i l l ? Hei sal ookoutper son.Hekeepsi nt hr eewaycont actdur i ngandov ert he si t eoper at i on.Heshoul dal sobeonhandwher et hepeopl ear ewor ki ngi n v essel sorencl osedspacei nof f shor e.Tosummonhel pi ncaseofacci dent i nt her adi ooper at or ' sof f i ce. 2. Whatdocumentdoesapai nti nspect orneedt oknowt owor konof f shor e? Theof f shor esaf et yr egul at i on1976SI-1091. Medi cal cer t i f i cat e, passpor t , l i f eboatsur v i v al t r ai ni ng, Bgasappr ov al . 3. Gi v eal i stofdut i esanN. R. P.mi ghtper f or m. I nchar geofdesi gnat edar easoft hepl at f or m.I ssui nghotandcol dper mi t s. Recei v i ngcompl et edwor kper mi t s, checki ngwor kcar r i edoutonper mi t . Ar eaaut hor i t yO. I . M. Page71of72 4. Whyar ear easencapsul at edandgi v eway si nwhi cht hi scoul dbedone? To pr ot ecti nst r ument sandf i r epr ot ect i onequi pment ' sdur i ng bl ast i ng, cl eani ngandpai nt i ngoper at i ons.Dur i ngmai nt enancewor k,compl et el y cov ert hear easi npl ast i csheet sormaskof f , f orcl i mat i corsaf et yr easons. 5. Whatpossi bl epr obl emswoul dani nspect ormeetatof f shor e? a)Hi ghchangei nt heweat hercondi t i ons. b)Rapi dchangeoft i dal condi t i ons. c)Mov ement sofhel i copt er sandboat s. d)Accesst owor kdur i ngdr y i ngt i mes. 6. Howwoul dani nspect orcommuni cat ewi t hhi sbossbackt oback? Usual l ymeetf orhal fanhourorsoatt heshi f tchange,i ft her ewasa ser i ouspr obl em t oexpl ai norl eav eahandwr i t t enr epor tf orhi mi nhi s l ogbook. 7. Howwoul dy oudet er mi net hatacont r act or ' spl antandequi pmentwassaf e t ouse? Al lpl antequi pmentusedonof f shor emusthav ecal i br at i oncer t i f i cat es, mai nt enancer ecor ddet ai l sdat edandsi gnedbyappr ov edagent . 8. Whyi smaski ngcar r i edoutandwhatar easmi ghtneedt hi s? Topr ot ectsensi t i v eequi pment( el ect r i calandi nst r ument s)i npar t i cul ar f r om damagedur i ngmai nt enanceoper at i on.Al sot hepi pewor kandcol our codedsect i onshast obemaskedof fbef or ebei ngspr ay edbydi f f er ent pai nt st opr ot ectar east hatar enotpai nt ed. 9. Gi v er easonswhyt hesubmer gedzonei snotal way scoat ed. Submer gedzonei sdi f f i cul tt opai ntbecauseofi t sposi t i on.Al sobecause ofwat erandl ackofoxy genpr esent ,t her at eofcor r osi oni snotsoser i ous andal sosacr i f i ci al anodesar eused. Page72of73 10. Whatar et het woway si nwhi chgal v ani zedsur f acescanbepr epar ed bef or e pai nt i ng? Thet woway sar e, 1)Sweepbl astandet chpr i mer 2)Powert ool wi t hmor dantwash. 11. Whati sCOSHHandwhatdosi tdeal wi t h? Cont r olofsubst anceshazar doust oheal t hr egul at i on1988.I tdeal swi t h env i r onment alsaf et yi nt hewor kpl ace,sol v ent s,sands,dustexceptl ead pai nt s, r adi at i onexpl osi v es, ownr egul at i ons. 12. Ot hert hant emper at ur esandRHwhatcoul dst opbl astcl eani ngf r om bei ng car r i edout ? Wher edi f f er entt y pesofcl eani ngi sneededusual l ypowerorhandcl eani ng duet o mai nt enanceorot hert y peofpr obl emsweat hercondi t i ons, oper at i onor pr oduct i on. 13. Whatar et he t wo t y pes oft est ,whi ch ar e car r i ed outf orcat hodi c di sbondment ? St at i ct estf orsubmer gedcoat i ngs. Cy cl i ct estf orspl ashzonecoat . 14. Whati st het i t l eofCPC-155andwhi chi st hecur r enti ssue? Ti t l e175C, Pai ntcounci l 1998I ssue2, CPC-companypr act i cesf orpai nt . 15. Whatdot hef ol l owi ngr ef ert o? AL BS CS Cu HSE LAT - Al umi ni um Br i t i shst andar d Car bonst eel copper Heal t hsaf et yenv i r onment Lowestast r onomi cal t i de Page73of74 MI O NI SI SS ZN - Mi caceousi r onoxi de Ni ckel St at ut or yi nst r ument St ai nl essst eel Zi nc. 16. Whatar er educedV. O. C.coat i ngs? ForV. O. C.coat i ngspi gment scar r ymor ewat eremul si onbi nder s.I ti swat er based.Sol v ent sar egr eat l yr educed. 17. Whati nf or mat i onmustapai ntmanuf act ur erpr i ntonapai ntt i n? Met hodofuse( br ushorspr ay ) ,t y peofpai nt ,pr oduct i ondat e,shel fl i f e, conf i r mat i v ewi t hBgasspeci f i cat i onar et het hi ngst hatshoul dbepr i nt ed onapai ntt i n. 18. Whatr esul t smustbepubl i shedbyapai ntmanuf act ur err egar di ngt he qual i t i esofhi spai nt s? Thef ol l owi ngar et her esul t st hathav et obepubl i shedbyt hemanuf act ur er . Composi t i on( pi gment , bi nder& Manuf act ur er ' sname v ol at i l es) Pr oductdescr i pt i on Vol umeofsol i ds Vi scosi t y Opaci t y Cov er i ngpower( gl oss) Abr asi onr esi st ant I mpactr esi st ant Densi t yandadhesi on. 19. Whati nf or mat i ondoest hepai ntmanuf act ur erhav et osuppl yt ot he cont r act or ? Mat er i al dat asheet s, heal t handsaf et yi nf or mat i onr egar di ngt hepr oduct s. 20. Whoi sr esponsi bl ef orchoosi ngapai ntsy st em f oruseonapar t i cul arj ob? Thecont r act orusi ngr angeofappr ov edBgaspai ntsy st ems. 21. Whatar et het woBScodesusedi nconnect i onwi t hcol ourschedul es? Page74of75 BS4800andBS5252. 22. Whatmusthappent oanywel dspl at t erwhi chwasnotr emov eddur i ngt he f abr i cat i onpr ocess? I tmustbegr oundoff l ushbyt hebestmechani cal means. 23. Whatshal l sur f acesbef r eef r om bef or epai nt i ng? Sur f acesshal l bef r eef r om dust , moi st ur e, oi l andgr easeandot her cont ami nant s. 24. Howshal l heav yormet al l i cpi gmentbekepti nsuspensi onwhenappl y i ng pai nt ? Aut omat i cst i r r er , ai rorpoweroper at edi nt hepai ntpotdur i ngappl i cat i on andconst ant l yi nmot i oncankeepi ti nsuspensi on. 25. Whatshal l dr y i ng/ cur i ngper i odscompl ywi t hpai nt i ng? I tshal l compl ywi t hmanuf act ur er ' sdat asheet s. 26. Whati sast r i pecoat ? I ti sabr ushappl i edcoatt ot hewel dar east omakesur et hatt hepr oper D. F. Ti sat t ai ned.I ti sanext r acoatt owel dsandedges. 27. Descr i behow t estpanel sar epr epar ed and pai nt ed and whati st hei r pur pose. Testpanel sar ebl ast edt oSa3st andar d,t henaccor di ngt ot estr equi r ed i nst r uct i ons.Forr ustgr adeaf t erbl ast i ngi ti sl ef ti nt heat mospher ef or23mont hs.Testpanel sar et hendi ppedi nseawat er .Dr yf or2or3mi nut es, t hencoat . 28. Whatt y peofcomponent scomesunderi dent i f i cat i onmar ki ngofpai nt s? Ref l ect i v epl ast i cst r i ps. Page75of76 29. Howdoy oudeci dewhatgr adeofpr epar at i onneedst obecar r i edout ? Dependsont hedesi gnl i f e. 30. Whenwetbl ast i ng, whatwi l l y out oar easl i kel yt obeaf f ect edbywat erand abr asi v econt ami nat i on? Secur el ymaskof f . 31. Whencanabr ushbeusedt oappl ypai ntf orof f shor est r uct ur es? I nr epai rmai nt enancewheni ti si mpr act i cabl et ouseai r l ess. 32. I fBgasdeci det oi nspectwor kbei ngcar r i edoutwhatmustnothappen? Al l ot herwor kmustbest opped. 33. Whenar edest r uct i v et est susual l ycar r i edout ? I ft her ei sapr obl em i nmai nt enancepai ntort estpanel s. 34. Whoadv i sesoft hev ol t aget obeusedwhenhol i daydet ect i ont est sar e bei ng car r i edout ? Asperspeci f i cat i on-5v ol t spermi cr onoraspert heengi neeroft hepai nt manuf act ur er . 35. Whati st hepr ocedur ef orr ect i f y i ngcoat i ngs, whi chhav eani nadequat e t hi ckness? Rubdownwi t hsandpaperandbl owt hem down.Appl ymi stcoatt obr i ngup t her equi r edD. F. T. 36. Whatdocumentshoul dbeusedasar ef er encef ort hepr ocedur est o r emov e cont ami nat i onf r om asur f ace? BS7079. Page76of77 37. Whatt y peofr i skassessment sar el ookedf orwhenunder t aki ngacl eani ng and pai nt i ngpr ocedur e? 1.Howsaf ei st hear ea. 2.Danger-Heal t handsaf et y . 3.COSHH. 4.Needofcl i mat econdi t i onsandl i ght i ng. 38. Whoi sr esponsi bl ef ort het r ai ni ngofper sonnel t owor kof f shor e? Thecont r act ormustar r angef orhi speopl et obet r ai ned. 39. Whatar et her equi r ement sf or' ov er si de' wor ki ng? 3barr ai l , scaf f ol ds, boar dt oes, saf et ynet , saf et yl i ne, l i f ebel t , boatwi t h r adi ocont act . 40. Whatt hi ngsmi ghty ounot ewhencar r y i ngoutv i sual i nspect i onf ora)Pr epar at i onpr ocedur es: Cor r ectpr ocedur e, condi t i onofsubst r at ei . e. f r eef r om cont ami nant s, scaf f ol di ngr equi r ement , bl ast i ngequi pment ' s, checksf orai rpur i t y , obser v at i onofr oguepeaksi . e.unev enampl i t ude, hi ghpoi nt sshoul dbeabr aded. b)Pai nt i ngpr ocedur es: Cor r ectusageofpai nt sasr equi r edbyt he speci f i cat i on, col our s, v i sual checkf oranyski nni ngorj el l i ngofpai nt , whet hert i ni sseal edbef or ef i r stuse, shel fl i f e, potl i f e, pai ntmi xi ng r at i osandappr opr i at et hi nnerquant i t yaddedt ot hepai nt , v i sual obser v at i onoft hepai ntsy st em f oranypai ntdef ect s. c)Cl eani ngupofar eaofoper at i ons: Remov al ofpai ntdebr i sanddi sposed asperl ocal r ul es, don' tf i r e. Page77of78 PAPER-3.( Bgas, Pai nt i ngGr ade1)COATI NGS 1. Gi v easmuchi nf or mat i onasy oucanf ort hef ol l owi ngsur f acespr epar at i on andpai ntsy st ems. a)I nt er nal sur f acesofpot abl ewat ert anks: H. S. C.shoul dbecoat edt oSa3. Bl ast Page78of79 medi amustber emov ed.I ndust r i al v acuum cl eaner sar ev er ygoodand qui ck.Al l wel dsmustbest r i pcoat ed.Appl y3coatsy st em ( as r ecommendedbydat asheet s) .I tmustbe100%hol i daydet ect edbywet spongemet hod.I tshoul dhav e300mi cr onsd. f . thi ghbui l depoxy . b)Mat er i al soper at i ngatel ev at edt emper at ur e: I tshoul dbebl astcl eaned t oSa3.I tmusthav eapr ov ent r ackr ecor dl i kei nor gani czi ncsi l i cat e andmodi f i edsi l i coneseal er s, pol ysi l oxene. c)Coat i ngdesi gnedf orl i v i ngquar t er sandhowt heywor k: I nt umescentt o 200 c. Theyswel l upt omanyt i mest her eownt hi cknessandt hewi r emesh scr eenhol dst hem t oget herast hecoat i ngt ur nst oacar bonaceouschar . Al sot heyshoul dber at edA. 60orH. 120 d)Spl ashzonecoat i ngs: I tshoul dbebl ast edt oSa21/ 2.Asper manuf act ur especi f i cat i on, most l ycoal t arepoxyorgl assf l akesar e used.I tmustbe100%hol i daydet ect ed, sweepbl ast edandt hent i ecoat t obecar r i edout . e)Copper , ni ckel , al umi ni um, andot hernonf er r oussur f aces: Most nonf er r ous met al sar eusual l ynotcoat edexceptf orcosmet i candcol ourcodi ng. Al umi ni um i susedi nt hecomposi t i onofsomecoat i ng, andi nsacr i f i ci al anodes.Handemer y( br ade) , whi t espi r i tf orcl eani ng, appl yacr y l i c ur et hanecoatupt o70mi cr onsd. f . t . f ) Hel i decks: Hel i decksar ebl ast edandcoat edusi ngnonspar kandnon met al abr asi v esandpai nt s.Al um sur f acepr epar at i onSa21/ 2l i ke appear ance.Mai nt enancebywi r ebr ushi ng, zi ncr i chepoxy , 2pack epoxy , t i ecoat , bauxepoxy( pol y ami de) g)I nst r ument s/el ect r i cal equi pment ' s: I tshoul dbemaskedof ft opr ot ect t hem f r om t hepr epar at i onandpai nt i ngoper at i ons.Sur f acepr epar at i ont oSt 3, handabr ade, acr y l i ccoatt o200mi cr onsd. f . t . h)Submer gedzone: I tcanbepai nt edusi ngpai ntsy st em t hatcanbecur ed under wat er .Theymaybeunpai nt ed, ast hi sar eai sasl owcor r osi onar ea.Due t ol owoxy gen, coal t arepoxyast hatofspl ashzonecanbeappl i ed. i ) Topsi demai nt enance: Oper at i onst obecar r i edoutbypowercl eani ng t oSt3.Appl yal um epoxypr i mer .Most l yhandcl eani ngpr epar at i ons onl ycar r i edout .Br ushappl i edcoat i ngwi t hur et haneacr y l i cupt o70 mi cr onsd. f . t . j ) Gal v ani zedst eel st r uct ur es: Sweepbl astandappl y . Page79of80 Powerwi r ebr ush-appl yt wodamagedar eas, epoxymast i cchl or i nat ed r esi n. k)Pi pel i ner i seri nt hespl ashzone: I tshoul dbecoat edsameasal l ot her st eel wor ki nt hatzone. l ) Deckcoat i ngs: I tshoul dbenonsl i pescapesy st em.Ov ert het op coat i ng scr eenedcoatandseel ershoul dbeappl i ed.3packcopol y meri sappl i ed 24mm PAPER-4.PAI NTI NGGRADE1( Bgas) 1. Whatdoy ouunder st andbyt hef ol l owi ngt er ms? a)L. A. T: Lowestast r onomi cal t i de. b)El ev at i on: Si dev i ewofapl at f or m accor di ngt ol . a. t . c)Spl ashzone: I thasadi mensi onedar ea.Noot herdeckhast hi s.I ti s2. 5 Mt s.t o+12Mt s.oft hel . a. t . 2. Whi chst at ut or yi nst r umentdocumentr el at est osaf et yatof f shor e? S1-1019 3. Whatar et her equi r ement sf ori nspect i ngscaf f ol di ngusedatof f shor e? I tmustbei nspect edbycompet entqual i f i edper sonnel onl y , ev er ysev en day sandal way saf t eradv er seweat her . 4. Howi ssaf escaf f ol di ngi dent i f i ed? Byt hecol our , gr eent ag. 5. Li stt hesaf et ymeasur esr equi r edf orov ert hesi dewor ki ngi ndescendi ng or derofpr ef er encei fscaf f ol di ngi snotpr act i cabl e. Saf et ynet s, saf et ybel tl i neandl i f ej acket . 6. Namet wot y pesofper mi tt owor kandgi v eanexampl eoneach. Page80of81 Hot : Al l powerdr i v ent ool s, bl ast i ngandspr ay i ngequi pment s. Col d: Wor ki ngathei ght s, r ubbi ngdown, housekeepi ng. 7. Whatdocument at i oni sr equi r edpr i ort oent er i ngav essel atof f shor e? Aper mi tmayber equi r edov erandabov et hehotorcol donesi ssuedbya compet entper sont ocheckwhet heroxy geni si nexcessof20%.Ast andby per sonatt heent r y , K9sni f f ert odet er mi neexpl osi onl ev el s, M. E. L, O. E. L. ar eal sor equi r edbef or eent er i ngav essel . 8. Whoi sul t i mat el yr esponsi bl ef orsaf et yatof f shor e? O. I . M. I . O 9. Ar edr i l l i ngmudsaci di coral kal i ne? Al kal i ne. 10. Namet hr eedecks, whi char emai natof f shor epl at f or ms. Spl ashdeck, at mospher i cdeckandt opsi desdeck. 11. Descr i bet hef ol l owi ngar easonanof f shor epl at f or m. Jacket : I ti st hesuppor tst r uct ur eofapl at f or m. Cai ssons: Openpi pewor kwi t hpumpsandf i l t er s. Conduct or : Joi nsr i serpi pel i nest ot opsi depi pewor k. 12. Whatshoul dy oudoi mmedi at el yaf t erar r i v i ngonanof f shor epl at f or m? Booki nandat t endsaf et ybr i ef i ng. 13. Howar eof f shor epl at f or msi dent i f i ed? I ti si dent i f i edbyoper at or ' sname, nameofoi l orgasf i el d.Let t er desi gnat i onsi gni sbl ackandy el l owi ncol our . 14. Li stt hr eesaf et yconsi der at i onsf oral l of f shor ewor ker swor ki ngona pr oduct i onpl at f or m. Page81of82 15. Whoi ssueswor kper mi t s? Nomi nat edr esponsi bl eper son. 16. Forhowl ongmustaper sonwor kof f shor ebef or eof f shor esur v i v al t r ai ni ng becomescompul sor y ? Av i si t orwhov i si t sapl at f or m doesnotst ayov er ni ght , f ornotmor et han f our t i mesay earandmustr egi st erhi sv i si tev er yt i meont her i g. 17. Howof t eni samedi cal checkr equi r edf orper sonnel wor ki ngatof f shor e? Bel ow40y ear s -3y ear s Bet ween40-50y ear s-2y ear s Ov er50y ear s -y ear l y . 18. Howar eescaper out esi dent i f i edonanof f shor epl at f or m? Byr ef l ect i v est r i ps, byar r owsov ert hespeci f i eddeckcoat , pr i mar yr out es100Mt s, secondar yr out es-50Mt s. 19. Namet hr eemet hodsofkeepi ngapl at f or mi nf i xedposi t i on? St eel pi l i ng, Mat tsuppor tandseat anker . 20. Whatpr ecaut i onsshoul dbeobser v edwhenboar di ngandt r av el l i ngi n hel i copt er ? Asr ecommendedbyt heC. A. A. 21. Li stt heessent i al i t emsofequi pmentandcl ot hi ngf oranof f shor epai nt i ng i nspect or 100%cot t onov er al l s, r i ggerboot s, saf et yhel met s, saf et ygl asses, gl ov es, l i f ej acketandsaf et ysui tar et heequi pment ' sr equi r edf ort hei nspect or . 22. Eddycur r entpai ntt hi cknessmet r esandel ect r i cal t her momet r smaynotbe al l owedatof f shor e, why ? Page82of83 Possi bi l i t yofspar kf r om bat t er i esi st her easonf ornotal l owi ngt heabov e sai dmet er s. 23. Expl ai nt hef ol l owi ngt er m' spl at f or m, modul eandj acket . Pl at f or m: St r uct ur esf r om wher eoper at i ons, dr i l l i ngandpr oduct i onst ar tat of f shor e. Modul e: Lar geboxeswhi chcont ai naccommodat i onandcompr essoret c. , Jacket : I ti st hesuppor tst r uct ur eofapl at f or m. 24. Whi chdocument sar ey our equi r edt ohav ebef or eboar di ngahel i copt ert o go of f shor e? C. A. A.cour secer t i f i cat e, boar di ngcar d, medi cal cer t i f i cat e, saf et ysur v i v al cer t i f i cat eandpasspor t . 25. Whati st heabbr ev i at i onf orO. I . M? Of f shor ei nst al l at i onmanager . 26. Whati st hest at i onbi l l ? I ti st henot i ceboar dl ocat edout si det her adi oof f i cer ' sof f i ce. 27. Whatmustbewor nbel owt hecel l ardeck? Asur v i v al sui tandaf ul l l i f ej acket . 28. I nanemer gencywhati st hedi f f er encebet weenani nt er mi t t entsi r enanda f l ashi ngl i ght , andacont i nuoussi r enandar edl i ght ? I nt er mi t t entsi r enandf l ashl i ghtpr epar et oabandonr i g, wher eas cont i nuoussi r enandr edl i ghti ndi cat est oabandonr i g. 29. Whati sbr uckercapsul e? I ti sanescapev essel .I ti saf ul l ycov er edl i f eboat . Page83of84 30. Whatar et hepr obl emsassoci at edwi t ht hepr epar at i onandpai nt i ngof hel i decksand, spl ashandt i dal zones? Pr obl emsassoci at edar eweat hercondi t i ons, l i mi t edt i mef act or s, ai rt r af f i c andt i del ev el s. 31. Whenwoul dhel i decks, t i dal andspl ashzonesar epai nt ed? Theywi l l bepai nt edwhent her ei sl owt i desandwhent her ei snohel i copt er act i v i t yandi ndayl i ghtwor ki ngonl y . 32. Whatconsi der at i onsshoul dbegi v ent oscaf f ol di ngi nt hespl ashzone? Remov al ofboar dsaf t erwor kast het i deswi l l washawayl ooseboar ds.I t shoul dbecheckedr egul ar l y . 33. Whyar er i ggerboot swor natof f shor e? I ti sr esi st antt ooi l sandki ckedofqui ckl y . 34. Whyar eny l onov er al l susual l ypr ohi bi t ed? Duet ost at i cel ect r i ci t ywhi chcanoccur .Theymayal somel t . 35. Descr i bet hr eemet hodsf orf i xi ngapl at f or mi nposi t i on. St eel pi l i ng, mat tsuppor tandseat anksar et het hr eemet hods. 36. Whati sder r i ckl aybar ge? I ti sav essel f orl ay i ngof f shor eoi l andgaspi pel i nesandset t i ngt opsi des, r i ser sandf orpi l i ngofj acket s. 37. Wher eonpl at f or mi st hespi derdeck? I ti st hel owestdeck.Spl ashzonewal kwaybet weenbr acesandconduct or s. 38. Whoi sast andbymanorr adi oman? Page84of85 Hei saper sonusedi nt hev essel ornearencl osedspacesi ncasesof emer gency .Hemustbeal way spr esenti nper sonandont hel ookout . Radi oman-hei sa3waycont act , hi msel f , wor kt eam andst andbyboat . 39. Howi sapai ntappl i cat i onequi pmentear t hedf oruseatof f shor e? Bl astcl eani ng and spr ay equi pmentshal lbe cont i nuousl y el ect r i cal l y bondedf r om nozzl et ot hesur f acebei ngpai nt edandbackwar df r om nozzl e t ot hecompr essor , whi chshal l beear t hed. 40 Whati st hemi ni mum l engt hofnozzl ef orwetbl ast i ngatof f shor e? Onemet r el ong. 41. Namet hr eet y pesoff oul ant ? Ani mal s, pl antandmi cr oor gani sm. 42. Descr i bet hemeani ngofH120i nr el at i ont of i r epr ot ect i on. H-Hy dr ocar bonand120mi nut esi st het i mef ort hef i r epr oof , whi chi s r equi r edt opr ot ecty ou. 43. Whati sHP/Aofast r uct ur al member ? I ti st her at i ooft heheat edpr emi eroft hest eel t oi t scr osssect i onal ar ea. 44. Namet het womaj ort y pesoff i r epr oofcoat i ngs. 1.Cement i ous 2.I nt umesceenI nt umescent . 45. Descr i beat y pi cal met hodusedt okeepav er yt hi ckf i r epr oofcoat i ng adher edont oast eel subst r at e. At y pi cal met hodi sbyt heuseofwi r enet t i ng( r ei nf or ced) , pi nnedt ot he subst r at ebywel di ng. 46. Namef ourt y pesofant i f oul i ngcoat i ngsandbr i ef l ydescr i behowt heywor k. 1.Sol ubl emat r i xt y pe: Wat er sol ubl ebi nder , r el easeofr esi ns. Page85of86 2.Cont acti nsol ubl emat r i xt y pe: I nsol ubl ebi nder , r el easeofcupr ousoxi de. 3.Di f f usi ont y pe: Chl or i nat edr ubberorv i ny l bi nderr el easesor gani c sol v ent sanddi f f usesout . 4.Washof forsel fpol i sht y pe: Copol y mer i sedacr y l i cbi nder .Er osi on washesof f .I ti susedi nof f shor est r uct ur es. 47. Onwhatpar t sofanof f shor est r uct ur ear eant i f oul ant sappl i ed? Subandspl ashzonel egsandupt oei ghtmet r esoft heL. A. T. 48. Namet wocommont y pesoft oxi cmat er i al usedi nant i f oul ant s. Cupr ousoxi de, or ganot i n, mer cur yar seni c-r est r i ct eduse. 49. Namef ourenv i r onment al f act or st hatwi l l gov er nt heef f ect i v el i f eofan ant i f oul i ngcoat i ng. 1.Wav espeed 2.Hi ghsal i ni t yofwat er 3.Wat ert emper at ur eer osi on 4.Hi ghpHl ev el s 50. Whatdoy ouunder st andbyanencapsul at edar eaatof f shor e? Thear eai sf ul l yencl osedwor ki ngar eausual l yf orsaf et yorcl i mat e. 51. Whatt y peoff i r epr oofcoat i ngswel l supwheni tr eacheshi ght emper at ur e of200 c? I nt umescent . 52. Namef ourconsi der at i onsf orsel ect i ngt het hi cknessofaspeci f i cf i r e pr oofcoat i ngf orpr ot ect i ngst r uct ur al st eel . 1.Ty peoff i r e 2.Dur at i onofpr ot ect i on 3.H/PA oft hest r uct ur al f or mat i on 4.Thecr i t i cal t emper at ur eoft hest eel ( 400 ci smostcommon) 53. Howdocel l ul osi cf i r esdi f f erf r om hy dr ocar bonf i r es? Page86of87 Hy dr ocar bonsar ef uel byoi l sorgases.Cel l ul osi cf i r est akel ongert i met o r eacht hei rmaxi mum t emper at ur e.( Hi ght her mal shock1250 c, shor tt i me) 54. Namef i v eway saf i r epr ot ect i v ecoat i ngcani nsul at ef r om f i r e. 1.At her mal l yi nsul at i ngl ay er 2. Abar r i ert oexcl udeoxy genf r om t hecombust i onsur f ace 3. Thef or mat i onofaheatr esi st antandnoncombustl ay er 4. Theev ol ut i onofnoncombustgasesorwat ert oquencht hef l ames 5. Ther emov al ofaf i r eat t achedout ersur f acet or ev eal acool ersur f ace. 55. Whatt y peoff i r epr oofcoat i ngi scur r ent l yi nf av ourf oruseatof f shor e? I nt umescent . 56. Howar eant i f oul i ngcoat i ngsappl i ed? I ti susual l yappl i edbyai r l essspr ay . 57. TheBgasdr af tspeci f i cat i onent i t l ed' Speci f i cat i onf orpai nt i ngand coat i ngofof f shor est r uct ur esr el at edequi pmentpr oper t i esand per f or manceofpai nt sandcoat i ngs' i st he-BG/OS/PS/1206 58. Howi st hespl ashzonedef i ned? Spl ashzonehasadi mensi oni nar ea.Noot herdeckhast hi sdi mensi on.I t i s2. 5Mt s.t o+12Mt s.oft heL. A. T. 59. Ar ecopperni ckel sur f acespai nt ed?I fsodi scusst her easonsf orpai nt i ng t hem. Yes, copperni ckel sur f acesar epai nt ed, f orcol ourcodi ngandcosmet i c coat i ngonpi pewor k. 60. Whoser esponsi bi l i t yi si tt opr ov i deupt odat edat aandpr oductsaf et y sheet sf ort hepai nt s/coat i ngsandsol v ent susedont hecont r act ? Coat i ngmanuf act ur er s. Page87of88 61. Whati st hemi ni mum sur f acepr epar at i onst andar df ori nt er nal coat i ngon cai ssons? SA3. 62. Whati st heampl i t uder anger equi r edf orbl astcl eanedsur f aces? 50-75mi cr ons. 63. Forwhatdi st ancemustsur f acepr epar at i onov er l apont oadj acentpai nt ed ar eas. 50mm. 64. Whatsur f acepr epar at i onmet hodi susedwi t hi nonehourofabr asi v ewet bl ast i ng? Pr i mercoat ed, pr essur ewashedwi t hf r eshpot abl ewat er . 65. I si tper mi ssi bl et ousei nhi bi t or sf orwetbl ast i ng? No.Theycanl eav eadeposi tont hesur f ace. 66. Whati st het emper at ur e, dewpoi ntandr el at i v ehumi di t yr est r i ct i onf or f i ni shbl ast i ng? Dewpoi ntshoul dbeabov e3 cabov et hesubst r at et emper at ur e.RHshoul d notbehi ghert han85%. 67. I sbl astcl eani ngper mi t t edatni ght ? Yes, butt hej obmustbef i ni shedi nmor ni ngday l i ght . 68. Whatt y peofcl eani ngi snor mal l yspeci f i edf orr epai randmai nt enance wor kandt owhatgr ade? Wi r ebr ushi ngt oSt3. 69. Ar epoweri mpactt ool sper mi t t ed? I nspeci al occasi onsbyagr eementbyBgasengi neer .Whenot hermet hods ar enotsui t abl ef ol l owbybr ushi ngt oSt 3. Page88of89 70. I si tper mi ssi bl et opai ntwi t hnonmoi st ur et ol er ancesy st em i ft heai r t emper at ur ei s13 c, t hemet al sur f acei s12 candt hedewpoi nti s9 c? No.Dewpoi nti sl esst han3 coft hemet al subst r at e.I tshoul dbeov er t hr eedegr ees.RH%i snotknown.Manuf act ur err ecommendat i onsar et o bef ol l owed. 71. I si tper mi ssi bl et oappl ypai nt sf r om asi ngl eBosunschai r ? Yes.Nott obespr ayappl i ed.Br ushappl i cat i ononl yi sal l owed. 72. Whatappl i cat i onr equi r ement sar especi f i edf ort hespr ayappl i cat i onof pai ntt ol ar gesur f acear ea? Byai r l essspr ayf ol l owi ngmanuf act ur er si nst r uct i ons.Uni f or m par al l el passeshav et obef ol l owed. 73. Namesi xar easont heof f shor est r uct ur et hatmusthav ecoat i ngsappl i edBS729. Gr at i ngs, l adder s, cages, handr ai l s, st andar dwal kway s, ki ckpl at esandduct wor k. 74. Canst ai nl essst eel sur f acesbepai nt ed?I fsodi scusst her easonsf or pai nt i ngt hem. Yes, t heycanbepai nt ed, i ft hear eai sunderi nsul at i ont opr ev entchl or i dei nst i gat edcor r osi onandf orpr ot ect i onf r om heat . 75. Whi chpr ocedur ewoul dt akepr ecedencei ft her ei saconf l i ctbet weent he pr oj ectspeci f i cat i onandt he12-06/A. 12-06/B, pr oj ectspeci f i cat i ont akespr ecedence. 76. Doest heBgasi nspect orhast her i ghtt ocheckscaf f ol di ng? Yes, butcannotappr ov e. 77. Canaut hor i zat i onf orov ercoat i ngbegi v env er bal l ybyt heBgasi nspect or ? Yes, buthast oputi ti nwr i t i ngl at er . Page89of90 78. Howar epai nt edsur f aces, damagedt obar est eel dur i ngt r ansi st or i nst al l at i on, pr epar edpr i ort or epai r ? Pr epar at i onspr i ort or epai rar e, r epai ri tt oor i gi nal sy st em.Ext end50mm ont osoundcoati . e.usesamebl astst andar d, pr i mei nt er medi at eand t opcoat st osameD. F. T' s. 79. Howar eampl i t udesofbl ast edsur f aceschecked/measur ed? Byusi ngt est ext ape&mi cr omet er , bypr of i l egauge, sur f aceneedl egauge. 80. Howar eD. F. T' smeasur ed? Theyar emeasur edwi t hanel comet ert y pe, dr yf i l m gaugecal l edmagnet i c bananagauge.Exceptf orM. I . O.wher eW. F. T.t ocal cul at eD. F. T.i sVsx WFT I N 81. Forwhi chcoat i ngsi s100%hol i daydet ect i onspeci f i ed? Foral l coat i ngsf r om bel owcel l art oseabed, coal t arepoxy , gl assf l ake epoxyandpol ysi l oxane. 82. Howar eadhesi ont est scar r i edout ? ByX-cut , cr osshat chordol l yt est . 83. Howmanycoat sofant i f oul i ngpai ntar eappl i edt ospeci f i edar eas? Thr eet of ourcoat saf t ert i ecoat . 84. Whatpai nt/coat i ngsy st em i sspeci f i edf orspl ashzonesandt owhat t hi ckness? Coal t arepoxy-200mi cr ons, epoxypr i mer-30mi cr ons, t ot al 630-mi cr ons. Gl assf l akeepoxy-2x250mi cr ons, epoxypr i mer-30mi cr ons, t ot al -530 mi cr ons. 85. Di scusst hef ul l sy st em f r om dr ybl astpr epar at i ont of i ndcoat , f orcoat i ng t he under si deofacel l ul ardeckonshor e. Page90of91 bui l d Bl astcl eant oSa21/ 2, z i ncr i chepoxypr i mer-t i ecoat , t hen3coat sofhi gh epoxy . 86. Whatt y peofpr i meri st obeusedont heunder si deofacel l ardecki fwi r e br ushi ngi susedi nst eadofbl ast i ng? Hi ghsol i dsal umi ni um epoxy . 87. Whatcoat i ngsy st em i sspeci f i edf orconduct or s? Coal t arepoxy-samecoat i ngasi nt hezone. 88. Whatcoat i ngsy st em sspeci f i edf ori nt er nal l ycoat i ngcai ssons? Sa3-bl ast i nggl assf l ake, epoxypol y est er-2mm. 89. Howar eescaper out est obei dent i f i ed? Byar r owsmadef r om r ef l ect i v est r i ps. 90. Forwhatappl i cat i oni sheav y dut yscr eedspeci f i ed? Heav ydut ydeckar eas, maj orwear , nonski dar eas, copol y mer sscr eed, escaper out e, hel i deck, ski ddeckanddr i l l deck. 91. Whatf i ni shcoati sspeci f i edf ort het opsi dezoneandwhy ? Ul t r av i ol et , ur et haneacr y l i csar et hef i ni shcoat sspeci f i ed.I thasgood r esi st ance, gl ossr et ent i on, easi l ycl ear edandst r ongbi nderi mper meabl e. 92. I st hepai nt i ngofgal v ani z edsur f acesspeci f i ed?Di scuss. Yes.Becauset hehotdi psur f acesmustbei ncompl i ancewi t hBS729al so t her ear esy st emsf orO/ coat i nggal v ani zedi t emsandt her epai rof damagedgal v ani zedar easbyepoxymast i cs.Col ourcodet obegi v en. 93. Whatt y peofsur f acepr epar at i oni sspeci f i edi fi ti snecessar yt ocoatCuNi orNi al l oy s? Page91of92 Thesur f acehast obedegr eased, l i ght l yabr adedandwashedwi t hf r esh wat eranddr i ed.Coatwi t hur et haneorepoxyet chpr i meronl yonal umi ni um. Donotbl astcl ean. 94. Forwhatappl i cat i onmayzi ncsi l i cat ewi t haseal erbespeci f i ed? At mospher esathi ghel ev at edt emper at ur e121 ct o350 c, f l ar est acks, t ur bi neexhaust sandaspermanuf act ur er ' sspeci f i cat i on. 95. Howar edamagedcoat i ngspr epar edandr epai r edwhent heyhav enot exposedt hemet al sur f ace? Damagedcoat i ngsshoul dbesui t abl ycl eanedandchamf er edt oensur e pat chcoat i ngi scont i nuous.Thebui l dupi st obeupt ot hespeci f i ed t hi cknessandsy st ems. 96. Coat i ngmustnotcomewi t hi nf i f t ymm f orpr epar i ngwel ds. 97. Whati si nsul at i onusedf or ? I ti susedf orconser v i ngheat , col d, f orper sonnel pr ot ect i on, f r ostandant i condensat i on. 98. Namet het hr eegener al t y pesofmat er i al susedi nani nsul at i onsy st em. Cal ci um si l i cat e, r ockwool , expandedper l i t eandmodi f i edsl agwool . 99. Whi chBgasspeci f i cat i onappl i est oacoust i ccl addi ng? BGC-PS-PW C1 100. Whati st heai m ofacoust i ccl addi ng? I t smai nai mi st ocutdownnoi sel ev el by10-20deci bel s. 101. Whati st het y pi cal t hi cknessf oracoust i ccl addi ng? 50-100mm. Page92of93 102. Whati st hemet al j acketcomposedf oracoust i ccl addi ng? Al umi ni um al l oy , gal v ani zedmi l dst eel . 103. Whati st hei nsul at i onbandi ngmadef r om? Met al l i candnonmet al l i cbandi ngmustbemadef r om t hesamemat er i al as t hatoft hej acket . 104. Whatar et her equi r ement sf ormast i cseal antandr ubberorneopr ene beddi ng st r i ps? I tmustbesui t abl ef oruseatt emper at ur ebet ween20 ct o+50 candi n r ar eoccasi onupt o80 c. 105. Whatar enut s, bol t sandwasher smadef r om? Theyar emadeofei t herst ai nl essst eel orzi nccoat edmi l dst eel . 106. Whatar et hef ourbasi coper at i onsf orappl y i ngacoust i ccl addi ng? 1.Pr epar at i on 2.I nsul at i onandf i xi ng 3.Repeati nsul at i onandf i xi ngi fr equi r ed 4.Met al cl addi ngandf i xi ng. 107. Whati st hemi ni mum ov er l apf ort hemet al j acketont oi t sel f ? 25mm. 108. Whatact i oni st akenwhencl addi ngr eachesabr anchpi pe? Acl ear anceof6mm i smai nt ai nedandmast i cf i l l ed. 109. Whi chspeci f i cat i onappl i est ot her mal i nsul at i on? BGC-PS-PW C2. 110. Whati sv er mi cul i t e? Page93of94 Ver mi cul i t ei sal oosegr anul arf i l l t y peofi nsul at i on. 111. Namesi xmat er i al st hatcoul dbeusedf ort her mal i nsul at i on. Foamedgl ass, r ockwool , modi f i edsl agwool , expandedper l i t e, cal ci um si l i cat eandphenol i cf oam ( nott obeusedi nbui l di ngs) . 112. Whatt ot al t hi cknesscoul dbespeci f i edf ort her mal i nsul at i on? Bet ween50-100mm andi ncer t ai ncaseupt o400mm. 113. Forwhatappl i cat i onar ev apourseal sused? I ti susedf orcr y ogeni cappl i cat i on. 114. Whatt y peofmet al cl addi ngi susedf ort her mal i nsul at i on? Ei t heral umi ni um al l oyorgal v ani zedmi l dst eel sheet i ngwher egr eat er r i gi di t yi sneeded. 115. Whati sanal t er nat i v et omet al cl addi ngf ort her mal i nsul at i on? Sel f set t i ngcement , gl asscl ot handhar dset t i ngcomposi t i on. 116. Namesi xbi ndi ngmat er i al susedf ort her mal i nsul at i on. Wi r enet t i ng, bi ndi ngwi r e, sel ft api ngscr ews, bi ndi ngt ape, nut sandbol t s andadhesi v ej oi ntseal ant . 117. Li stf ourbasi coper at i onsf orappl y i ngi nsul at i onf orheatconser v at i onand pr ot ect i on? Pr epar at i onsr epeati nsul at i onandf i xi ngi fr equi r ed, met al cl addi ngand f i xi ngorsel f set t i ngorhar dset t i ngcement . 118. Li stt hef i v ebasi coper at i onsf orappl y i ngi nsul at i onf orcol dconser v at i on and cr y ogeni cser v i ce. St aggeri nsul at i on,f i r stl ay erofv apourseal i ngcompound,scr um cl ot h embeddedi nf i r stseal i ng,secondl ay erofsealt hencl addi ngandbandi ng seal , v apourseal andmet al cl addi ngar et hef i v ebasi coper at i ons. Page94of95 119. Howf r equent l yi sbi ndi ngwi r eusedwheni nsul at i ngpi pewor ks? At150mm i nt er v al s. 120. Howf r equent l yar ef i xi ngbandsusedonequi pment ? 300mm. 121. Howf r equent l yar ef i xi ngbandsusedonmet al cl addi ng? 450mm. 122. Whati st hemi ni mum met al cl addi ngov er l aponpi pesgr eat ert han40mm di amet er ? 75mm. 123. Wher ei sant i abr asi v ecompoundused? Forf i x i ngmat er i al . 124. Whati st het emper at ur er angeappl i cabl et ot heBgasspeci f i cat i onf or t her mal i nsul at i on? -200 ct o+1000 c Page95of96