002b REFRESHER PLUMBING CODE RNPCP 1999 ENGR. ROEL A. ABAO 1. An adequate ________ is one of the most important governances in modern and healthful human existence that involves air, water and food which is the basic necessities of life. a. Plumbing practice b. National Building Code c. Plumbing Code d. Sanitary Code 1. An adequate ________ is one of the most important governances in modern and healthful human existence that involves air, water and food which is the basic necessities of life. a. Plumbing practice b. National Building Code c. Plumbing Code d. Sanitary Code 2. Modern or state-of-the-art plumbing installation now require the close coordination of works among Master Plumbers, Architects and Engineers to come up with the most _______ and _______ plumbing installation. a. sufficient / approved b. efficient / economical c. minimum / maximum d. daring / exotic 2. Modern or state-of-the-art plumbing installation now require the close coordination of works among Master Plumbers, Architects and Engineers to come up with the most _______ and _______ plumbing installation. a. sufficient / approved b. efficient / economical c. minimum / maximum d. daring / exotic 3. All premises intended for human habitation, occupancy or use shall be provided with a supply of _______ and _______ water, neither connected with unsafe water supplies nor subject to hazards of backflow or back-siphonage. a. unpure / daring b. safe / sufficient c. pure / wholesome d. virgin / pure 3. All premises intended for human habitation, occupancy or use shall be provided with a supply of _______ and _______ water, neither connected with unsafe water supplies nor subject to hazards of backflow or back-siphonage. a. unpure / daring b. safe / sufficient c. pure / wholesome (Principle no.1) d. virgin / pure 4. Plumbing fixtures, devices and appurtenances shall be supplied with water in _______ volume and a pressure ______ to enable them to function satisfactorily and without undue noise under all normal conditions of use. a. exact / exact b. efficient / equipped c. sufficient / adequate d. half / full 4. Plumbing fixtures, devices and appurtenances shall be supplied with water in _______ volume and a pressure ______ to enable them to function satisfactorily and without undue noise under all normal conditions of use. a. exact / exact b. efficient / equipped c. sufficient / adequate (Principle no.2) d. half / full 5. Plumbing shall be designed and adjusted to use the ________ quantity of water consistent with proper performance and cleaning. a. maximum b. minimum c. efficient d. sufficient 5. Plumbing shall be designed and adjusted to use the ________ quantity of water consistent with proper performance and cleaning. a. maximum b. minimum (Principle no.3) c. efficient d. sufficient 6. Devices for heating and storing water shall be so ______ and ______ as to prevent dangers from explosion through overheating. a. sensorized / equipped b. designed / installed c. rough-in / sensorized d. think / formulate 6. Devices for heating and storing water shall be so ______ and ______ as to prevent dangers from explosion through overheating. a. sensorized / equipped b. designed / installed (Principle no.4) c. rough-in / sensorized d. think / formulate 7. Every building having plumbing fixtures installed and intended for _______ , occupancy or use on premises abutting on a street, alley or easement where is a public sewer, shall be connected to the sewer system. a. comfort life b. human habitation c. abundant life d. safe habitation 7. Every building having plumbing fixtures installed and intended for _______ , occupancy or use on premises abutting on a street, alley or easement where is a public sewer, shall be connected to the sewer system. a. comfort life b. human habitation (Principle no.5) c. abundant life d. safe habitation 8. Each family dwelling unit on premises abutting on a sewer or with a private sewage-disposal system shall have at least ______ and ________. Further, a lavatory and bathtub or shower shall be installed to meet the basic requirements of sanitation and personal hygiene. a. one wall hung water closet / double kitchen type sink b. one pedestal water closet / single kitchen type sink c. one hanging water closet / one kitchen type sink d. none of the above 8. Each family dwelling unit on premises abutting on a sewer or with a private sewage-disposal system shall have at least ______ and ________. Further, a lavatory and bathtub or shower shall be installed to meet the basic requirements of sanitation and personal hygiene. a. one wall hung water closet / double kitchen type sink b. one pedestal water closet / single kitchen type sink c. one hanging water closet / one kitchen type sink d. none of the above (Principle no.6 – 1 W.C & 1 K.S) 9. Plumbing fixtures shall be made of ________ material, free from concealed fouling surfaces and shall be located in ventilated enclosures. a. smooth non-irritated b. smooth non-absorbent c. watertight d. glossy non-absorbent 9. Plumbing fixtures shall be made of ________ material, free from concealed fouling surfaces and shall be located in ventilated enclosures. a. smooth non-irritated b. smooth non-absorbent (Principle no.7) c. watertight d. glossy non-absorbent 10. The drainage system shall be designed, constructed and maintained to _______ against fouling, deposit of solids, clogging and with adequate cleanouts so arranged that the pipes may be readily cleaned. a. prevent b. safeguard c. protect d. none of the above 10. The drainage system shall be designed, constructed and maintained to _______ against fouling, deposit of solids, clogging and with adequate cleanouts so arranged that the pipes may be readily cleaned. a. prevent b. safeguard (Principle no.8) c. protect d. none of the above 11. All pipings of plumbing systems shall be of _______ NAMPAP-APPROVED materials, free form defective workmanship, designed and constructed by Registered Master Plumbers to ensure satisfactorily service. a. strong b. durable c. malleable d. stand alone 11. All pipings of plumbing systems shall be of _______ NAMPAP-APPROVED materials, free form defective workmanship, designed and constructed by Registered Master Plumbers to ensure satisfactorily service. a. strong b. durable (Principle no.9) c. malleable d. stand alone 12. Each fixture directly connected to the drainage system shall be equipped with a ______. a. air vented type b. water-sealed trap c. relief vent d. bypass ventilation 12. Each fixture directly connected to the drainage system shall be equipped with a ______. a. air vented type b. water-sealed trap (Principle no.10) c. relief vent d. bypass ventilation 13. ________ shall be designed to provide adequate circulation of air free from siphonage, aspiration for forcing of trap seals under ordinary use. a. Private disposal system b. Drainage piping system c. Ventilation piping system d. Sewage treatment plant system 13. ________ shall be designed to provide adequate circulation of air free from siphonage, aspiration for forcing of trap seals under ordinary use. a. Private disposal system b. Drainage piping system (Principle no.11) c. Ventilation piping system d. Sewage treatment plant system 14. ________ shall extend to the outer air and installed to preempt clogging and the return of foul air to the building. a. Vent terminals b. Stack c. SVTR d. VSTR 14. ________ shall extend to the outer air and installed to preempt clogging and the return of foul air to the building. a. Vent terminals (Principle no.12) b. Stack c. SVTR d. VSTR 15. Plumbing system shall be subjected to such test to ________ disclose all leaks and defects in the workmanship. a. equipped b. adequate c. effectively d. efficiently 15. Plumbing system shall be subjected to such test to ________ disclose all leaks and defects in the workmanship. a. equipped b. adequate c. effectively (Principle no.13) d. efficiently 16. ________ which will clog the pipes, produce explosive mixtures, destroy the pipes or their joints or interfere unduly with the sewage-disposal process shall be allowed to enter the building drainage system. a. Industrial waste b. Chemicals c. No substance d. CHB debris 16. ________ which will clog the pipes, produce explosive mixtures, destroy the pipes or their joints or interfere unduly with the sewage-disposal process shall be allowed to enter the building drainage system. a. Industrial waste b. Chemicals c. No substance (Principle no.14) d. CHB debris 17. ________ shall be provided to prevent contamination of food, water, sterile goods and similar materials by backflow of sewage. When necessary, the fixture, device or appliance shall be connected indirectly with the building drainage system. a. Proper provision b. Proper protection c. Suitable preservation d. Maintenance 17. ________ shall be provided to prevent contamination of food, water, sterile goods and similar materials by backflow of sewage. When necessary, the fixture, device or appliance shall be connected indirectly with the building drainage system. a. Proper provision b. Proper protection (Principle no.15) c. Suitable preservation d. Maintenance 18. No ________ shall be located in a room or compartment which is not properly lighted and ventilated. a. kitchen hood b. water closet c. rest room d. range hood 18. No ________ shall be located in a room or compartment which is not properly lighted and ventilated. a. kitchen hood b. water closet (Principle no.16) c. rest room d. range hood 19. If water closets or other plumbing fixtures are installed in buildings where there is no sewer within a reasonable distance, _______ shall be made for disposing of the building sewage by some accepted method of sewage treatment and disposal, such as _______. a. suitable provision / septic tank b. approval / septic tank c. permits / seepage pit d. suitable provision / seepage pit 19. If water closets or other plumbing fixtures are installed in buildings where there is no sewer within a reasonable distance, _______ shall be made for disposing of the building sewage by some accepted method of sewage treatment and disposal, such as _______. a. suitable provision / septic tank (Principle no.17) b. approval / septic tank c. permits / seepage pit d. suitable provision / seepage pit 20. Where a plumbing drainage system may be subject to backflow of sewage, suitable provision shall be made to ________ its overflow in the building. a. secure b. prevent c. protect d. effectively 20. Where a plumbing drainage system may be subject to backflow of sewage, suitable provision shall be made to ________ its overflow in the building. a. secure b. prevent (Principle no.18) c. protect d. effectively 21. All plumbing fixtures shall be installed ________ to be accessible for their intended use. a. properly ventilated b. properly spaced c. properly cleaned d. All of the above 21. All plumbing fixtures shall be installed ________ to be accessible for their intended use. a. properly ventilated b. properly spaced (Principle no.20) c. properly cleaned d. All of the above 22. Plumbing shall be installed by Registered Master Plumbers with due regard to the ______ of the strength of structural members and the ______ of damage to walls and other surfaces through fixture usage. a. prevention / preservation b. preservation / prevention c. durability / rectification d. rectification / durability 22. Plumbing shall be installed by Registered Master Plumbers with due regard to the ______ of the strength of structural members and the ______ of damage to walls and other surfaces through fixture usage. a. prevention / preservation b. preservation / prevention (Principle no.21) c. durability / rectification d. rectification / durability 23. Sewage or other waste from a plumbing system which may be _______ to surface or sub-surface waters shall not be discharge into the ground or into any waterway, unless first rendered _______ through subjection to some acceptable form of treatment. a. deleterious / innocuous b. innocuous / deleterious c. spontaneously / simultaneously d. None of the above 23. Sewage or other waste from a plumbing system which may be _______ to surface or sub-surface waters shall not be discharge into the ground or into any waterway, unless first rendered _______ through subjection to some acceptable form of treatment. a. deleterious / innocuous (Principle no. 22) b. innocuous / deleterious c. spontaneously / simultaneously d. None of the above 24. A Registered Master Plumber shall maintain a ________ consistent with an honorable and dignified pursuit of his/her profession. a. professional integrity b. good moral and right conduct c. professional bearing d. Sex maniac 24. A Registered Master Plumber shall maintain a ________ consistent with an honorable and dignified pursuit of his/her profession. a. professional integrity b. good moral and right conduct c. professional bearing d. Sex maniac 25. Shall not act in an __________ any remuneration other than his/her original charges except for additional services not covered in the basic contract; a. Professional demand and manner b. Good moral and right conduct c. Unprofessional manner and demand d. Reducing his/her professional fees 25. Act in an __________ any remuneration other than his/her original charges except for additional services not covered in the basic contract; a. Professional demand and manner b. Good moral and right conduct c. Unprofessional manner and demand d. Reducing his/her professional fees 26. Shall not take advantage of a salaried government position to ______ with a practicing Registered Master Plumber. a. Compete eagerly b. Compete unfairly c. Compete roughly d. Compete wholesomely 26. Shall not take advantage of a salaried government position to ______ with a practicing Registered Master Plumber. a. Compete eagerly b. Compete unfairly c. Compete roughly d. Compete wholesomely 27. Shall not allow of his/her License as Registered Master Plumber for a fee to an unlicensed Master Plumber in plumbing works without his/her _______. a. Coordination thru phone with free 1000 e-loads b. Personal supervision c. Commission 5% of the total contract with free pizza d. Commission 10% of the total contract with free Jollibee foods 27. Shall not allow of his/her License as Registered Master Plumber for a fee to an unlicensed Master Plumber in plumbing works without his/her _______. a. Coordination thru phone with free 1000 e-loads b. Personal supervision c. Commission 5% of the total contract with free pizza d. Commission 10% of the total contract with free Jollibee foods 28. Shall not advertise in ________, act in any manner and engage in any practice which tend to bring dishonor to the dignity of the Registered Master Plumber, NAMPAP and the plumbing profession. a. having hydrocephalus head b. boastful manner c. self-laudatory language d. malicious act 28. Shall not advertise in ________, act in any manner and engage in any practice which tend to bring dishonor to the dignity of the Registered Master Plumber, NAMPAP and the plumbing profession. a. having hydrocephalus head b. boastful manner c. self-laudatory language d. malicious act 29. It is the minimum diameter of an inlet , outlet and siphon pipe and fittings in a septic tank. a. 101.6 mm b. 104.6 mm c. 102 mm d. 100 mm 29. It is the minimum diameter of an inlet , outlet and siphon pipe and fittings in a septic tank. a. 101.6 mm b. 104.6 mm c. 102 mm d. 100 mm 30. It is the height of inlet and outlet pipe that shall extend at least ______ above the water surface. a. 101.6 mm b. 104.6 mm c. 102 mm d. 100 mm 30. It is the height of inlet and outlet pipe that shall extend at least ______ above the water surface. a. 101.6 mm b. 104.6 mm c. 102 mm d. 100 mm 31. Minimum vent pipe size for water closet. a. 2” b. 3” c. 4” d. 1 ½” 31. Minimum vent pipe size for water closet. a. 2” b. 3” c. 4” d. 1 ½” 32. Minimum vent pipe size for urinal. a. 2” b. 3” c. 4” d. 1 ½” 32. Minimum vent pipe size for urinal. a. 2” b. 3” c. 4” d. 1 ½” 33. Minimum vent pipe size for bathtub. a. 2” b. 3” c. 4” d. 1 ½” 33. Minimum vent pipe size for bathtub. a. 2” b. 3” c. 4” d. 1 ½” 34. Minimum vent pipe size for shower bath. a. 2” b. 3” c. 4” d. 1 ½” 34. Minimum vent pipe size for shower bath. a. 2” b. 3” c. 4” d. 1 ½” 35. Minimum vent pipe size for lavatory. a. 2” b. 2 1/2” c. 1 1/4” d. 1 1/2” 35. Minimum vent pipe size for lavatory. a. 2” b. 2 1/2” c. 1 1/4” d. 1 1/2” 36. Minimum vent pipe size for drinking fountain. a. 2” b. 2 1/2” c. 1 1/4” d. 1 1/2” 36. Minimum vent pipe size for drinking fountain. a. 2” b. 2 1/2” c. 1 1/4” d. 1 1/2” 37. In shower receptor, what is the minimum size of the finished dam or threshold? a. 25.4 mm b. 19 mm c. 13 mm d. 32 mm 37. In shower receptor, what is the minimum size of the finished dam or threshold? a. 25.4 mm b. 19 mm c. 13 mm d. 32 mm 38. In shower receptor, what is the minimum depth of the finished dam or threshold? a. 1 ½” b. 2” c. 2 ½” d. 3” 38. In shower receptor, what is the minimum depth of the finished dam or threshold? a. 1 ½” b. 2” c. 2 ½” d. 3” 39. In shower receptor, what is the maximum depth for the finished dam or threshold? a. 230 mm b. 225 mm c. 228 mm d. 232 mm 39. In shower receptor, what is the maximum depth for the finished dam or threshold? a. 230 mm b. 225 mm c. 228 mm d. 232 mm 40. Required minimum height from cover of grease trap to the bottom of fixtures served. a. 88 mm b. 89 mm c. 90 mm d. 91 mm 40. Required minimum height from cover of grease trap to the bottom of fixtures served. a. 88 mm b. 89 mm c. 90 mm d. 91 mm 41. A vertical vent that is continuation of the drain to which it connects is a, a. Branch vent b. Relief vent c. Continuous vent d. Circuit vent 41. A vertical vent that is continuation of the drain to which it connects is a, a. Branch vent b. Relief vent c. Continuous vent d. Circuit vent 42. A piping system designed to control and conveys excess ground water to a suitable location. a. Storm water drainage piping b. Sewer piping c. Vertical stack d. Downspout 42. A piping system designed to control and conveys excess ground water to a suitable location. a. Storm water drainage piping b. Sewer piping c. Vertical stack d. Downspout 43. When no public sewer intended to serve any lot or premises is available in any thoroughfare or right of way abutting such a lot or premises, drainage piping form the building shall be connected. a. Sewage ejector b. Holding tank c. Private sewage disposal system d. Cesspool 43. When no public sewer intended to serve any lot or premises is available in any thoroughfare or right of way abutting such a lot or premises, drainage piping form the building shall be connected. a. Sewage ejector b. Holding tank c. Private sewage disposal system d. Cesspool 44. A unit is equivalent to the flow rate of 1 3 ft /min or 1 gpm of water is: a. Fixture unit b. English unit c. No. of water closet d. Metric unit 44. A unit is equivalent to the flow rate of 1 3 ft /min or 1 gpm of water is: a. Fixture unit b. English unit c. No. of water closet d. Metric unit 45. Roof joint shall be, a. Gas tight b. Air tight c. Smoke tight d. Water tight 45. Roof joint shall be, a. Gas tight b. Air tight c. Smoke tight d. Water tight 46. A fixture designed for the washing of hands or face, sometimes called wash basin. a. Sink b. Lavatory c. Bathtub d. shower 46. A fixture designed for the washing of hands or face, sometimes called wash basin. a. Sink b. Lavatory c. Bathtub d. shower 47. A condition in the distribution system where it could damage, or create condition that will damage components of the distribution system or create a nuisance is termed as, a. Excessive water pressure b. Loss of pressure c. Excessive air pressure d. Loss of water flow 47. A condition in the distribution system where it could damage, or create condition that will damage components of the distribution system or create a nuisance is termed as, a. Excessive water pressure b. Loss of pressure c. Excessive air pressure d. Loss of water flow 48. A stack as defined in the code is, a. Vertical main soil, waste or vent piping b. Vertical vent c. Main vent d. Horizontal main 48. A stack as defined in the code is, a. Vertical main soil, waste or vent piping b. Vertical vent c. Main vent d. Horizontal main 49. Air pressure in drainage pipes greater than atmospheric pressure. a. Standard pressure b. Normal pressure c. Back pressure d. Barometric pressure 49. Air pressure in drainage pipes greater than atmospheric pressure. a. Standard pressure b. Normal pressure c. Back pressure d. Barometric pressure 50. No clevical toilet shall be installed in any building unless first approved by the, a. Health officer b. Nurse c. Doctor d. Medicinal representative 50. No clevical toilet shall be installed in any building unless first approved by the, a. Health officer b. Nurse c. Doctor d. Medicinal representative 51. All water supply, drainage, venting system and all fixtures and their traps complete with their connection, a. Plumbing system b. Piping system c. Sewer system d. Sanitary system 51. All water supply, drainage, venting system and all fixtures and their traps complete with their connection, a. Plumbing system b. Piping system c. Sewer system d. Sanitary system 52. The minimum size of water supply pipe to a lavatory is, a. 1 inch diameter b. 2/4 inch diameter c. 3/8 inch diameter d. ½ inch diameter 52. The minimum size of water supply pipe to a lavatory is, a. 1 inch diameter b. 2/4 inch diameter c. 3/8 inch diameter d. ½ inch diameter 53. Request for inspection by the Master Plumber to the Administrative Authority is required to be made in advance at least before the work to be tested. a. 12 hrs b. 24 hrs c. 36 hrs d. 8 hrs 53. Request for inspection by the Master Plumber to the Administrative Authority is required to be made in advance at least before the work to be tested. a. 12 hrs b. 24 hrs c. 36 hrs d. 8 hrs 54. The vertical distance that waste travels through open air between the waste pipe and the direct waste receptor is, a. Connection b. Air gap (drainage) c. Conveyance d. Vacuum 54. The vertical distance that waste travels through open air between the waste pipe and the direct waste receptor is, a. Connection b. Air gap (drainage) c. Conveyance d. Vacuum 55. A means of measurement for vertical waste or soil stack. It is equal to each floor level or storey in abuilding but are always at least eight feet (2.4 m)interval. a. Vertical distance b. Main stack intervals c. Branch interval d. Horizontal interval 55. A means of measurement for vertical waste or soil stack. It is equal to each floor level or storey in abuilding but are always at least eight feet (2.4 m)interval. a. Vertical distance b. Main stack intervals c. Branch interval d. Horizontal interval 56. A drain connecting the compartments of a certain fixture to its trap. a. Combination waste and vent b. Continuous waste c. Special waste d. Indirect waste 56. A drain connecting the compartments of a certain fixture to its trap. a. Combination waste and vent b. Continuous waste c. Special waste d. Indirect waste 57. A pipe fitting used to reduce the size of an opening which is threaded on both the inside and the outside is called. a. Unions b. Cap c. Nipple d. Bushing 57. A pipe fitting used to reduce the size of an opening which is threaded on both the inside and the outside is called. a. Unions b. Cap c. Nipple d. Bushing 58. It is used to close an opening in a fitting. a. Cap b. Plug c. Bushing d. Union 58. It is used to close an opening in a fitting. a. Cap b. Plug c. Bushing d. Union 59. Is used to close the end of a pipe. a. Plug b. Cap c. Bushing d. Union 59. Is used to close the end of a pipe. a. Plug b. Cap c. Bushing d. Union 60. A three piece pipe fitting used to connect the ends of two pipes, neither of which can be turned. a. Plug b. Cap c. Bushing d. Union 60. A three piece pipe fitting used to connect the ends of two pipes, neither of which can be turned. a. Plug b. Cap c. Bushing d. Union 61. The minimum pressure that should be maintained for fixtures containing flush tank supplies shall, a. 8 psi b. 4.34 psi c. 3.45 psi d. 10 psi 61. The minimum pressure that should be maintained for fixtures containing flush tank supplies shall, a. 8 psi b. 4.34 psi c. 3.45 psi d. 10 psi 62. A piece of metal fitted under another piece of flat metal or wood which water is expected to run is called, a. Gutter b. Sheeting c. Flashing d. Roofing 62. A piece of metal fitted under another piece of flat metal or wood which water is expected to run is called, a. Gutter b. Sheeting c. Flashing d. Roofing 63. Supports or anchorage of piping shall not exceed an interval of, a. 10 ft b. 12 ft c. 20 ft d. 15 ft 63. Supports or anchorage of piping shall not exceed an interval of, a. 10 ft b. 12 ft c. 20 ft d. 15 ft 64. When connecting plastic pipe to another types of piping, the specific transition intended shall be made with approved, a. Soldered joint b. Threaded joint c. Fittings and adaptors d. Sweated joint 64. When connecting plastic pipe to another types of piping, the specific transition intended shall be made with approved, a. Soldered joint b. Threaded joint c. Fittings and adaptors d. Sweated joint 65. Copper tubing used for water under concrete slabs within a building shall be, a. Copper tube with brazed b. Brazed joints with cast brass fitting c. Installed without joints where possible d. Protected with factory applied coating 65. Copper tubing used for water under concrete slabs within a building shall be, a. Copper tube with brazed b. Brazed joints with cast brass fitting c. Installed without joints where possible d. Protected with factory applied coating 66. The water demand for shower head is, a. 7 gpm b. 5 gpm c. 12 gpm d. 10 gpm 66. The water demand for shower head is, a. 7 gpm b. 5 gpm c. 12 gpm d. 10 gpm 67. The minimum plumbing permit charge for one unit is, a. P 15.00 b. P 5.00 c. P 10.00 d. P 7.00 67. The minimum plumbing permit charge for one unit is, a. P 15.00 b. P 5.00 c. P 10.00 d. P 7.00 68. A drainage pipe used to carry main or surface water, cooling water and similar liquid waste is, a. House drain b. House sewer c. Sanitary sewer d. Storm sewer 68. A drainage pipe used to carry main or surface water, cooling water and similar liquid waste is, a. House drain b. House sewer c. Sanitary sewer d. Storm sewer 69. Expansion joints shall be acceptable except in piping for: a. Vents b. Hot water c. Steam d. Sold water 69. Expansion joints shall be acceptable except in piping for: a. Vents b. Hot water c. Steam d. Sold water 70. A receptacle attached to the plumbing system other than the trap in which waste or waste may collected or retained for an ultimate discharge into the plumbing system. a. Container b. Fixture c. Tank d. Cesspool 70. A receptacle attached to the plumbing system other than the trap in which waste or waste may collected or retained for an ultimate discharge into the plumbing system. a. Container b. Fixture c. Tank d. Cesspool 71. Cast iron piping in 10 ft lengths installed horizontally, shall be supported at intervals of not more than, a. 12 ft b. 15 ft c. 5 ft d. 10 ft 71. Cast iron piping in 10 ft lengths installed horizontally, shall be supported at intervals of not more than, a. 12 ft b. 15 ft c. 5 ft d. 10 ft 72. Sizes of vertical and horizontal drainage pipe shall be determined from, a. Type of building b. Number of bathroom installed c. Location of fixtures d. Total fixture units 72. Sizes of vertical and horizontal drainage pipe shall be determined from, a. Type of building b. Number of bathroom installed c. Location of fixtures d. Total fixture units 73. The valve for controlling two or more outlet, is a cold water supply line may be a, a. Rising stem gate valve b. Heavy duty globe valve c. Ground key valve d. Non-rising stem globe valve 73. The valve for controlling two or more outlet, is a cold water supply line may be a, a. Rising stem gate valve b. Heavy duty globe valve c. Ground key valve d. Non-rising stem globe valve 74. The flow of water which has gradual and regular variation over time and space is, a. Laminar flow b. Streamline c. Turbulent d. Mixed flow 74. The flow of water which has gradual and regular variation over time and space is, a. Laminar flow b. Streamline c. Turbulent d. Mixed flow 75. The minimum size building supply allowed by the code for water is, a. ¾ in b. 1 in c. ½ in d. 1 ¼ in 75. The minimum size building supply allowed by the code for water is, a. ¾ in b. 1 in c. ½ in d. 1 ¼ in 76. According to the existing Plumbing code cast iron pipe, weld steel pipes, copper pipes, vitrified clay, concrete and asbestos pipes shall conform to standard other than the Philippine Standard, a. ANSI b. AWWA c. ASTM d. IAPMO 76. According to the existing Plumbing code cast iron pipe, weld steel pipes, copper pipes, vitrified clay, concrete and asbestos pipes shall conform to standard other than the Philippine Standard, a. ANSI b. AWWA c. ASTM d. IAPMO 77. A material not listed in the code for use in water piping, a. Aluminum b. Asbestos cement c. Cast iron d. plastic 77. A material not listed in the code for use in water piping, a. Aluminum b. Asbestos cement c. Cast iron d. plastic 78. The critical level marking or a backflow prevention device or vacuum breaker is a point established by the, a. Testing laboratory b. Health officer c. Inspector d. Manufacturer 78. The critical level marking or a backflow prevention device or vacuum breaker is a point established by the, a. Testing laboratory b. Health officer c. Inspector d. Manufacturer 79. CPVC water pipe may be used for hot water and cold water distribution system, a. Above ground only b. Below ground only c. In residence only d. Within a building 79. CPVC water pipe may be used for hot water and cold water distribution system, a. Above ground only b. Below ground only c. In residence only d. Within a building 80. When connecting horizontal drain line with another horizontal drain line, the acceptable fitting to be used are, a. Coupling b. Cross tee c. Combination wye and 1/8 d. Sanitary tee 80. When connecting horizontal drain line with another horizontal drain line, the acceptable fitting to be used are, a. Coupling b. Cross tee c. Combination wye and 1/8 d. Sanitary tee 81. The minimum allowable size of any building drain, horizontal branch, vertical soil or waste stack serving one or more waste closets shall be, a. 4” b. 3” c. 5” d. 2 ½” 81. The minimum allowable size of any building drain, horizontal branch, vertical soil or waste stack serving one or more waste closets shall be, a. 4” b. 3” c. 5” d. 2 ½” 82. It is a box like collection device which is located on the exterior of the building and receives storm water on one side, a. Scupper b. Gutter c. Storm drain d. Roof drain 82. It is a box like collection device which is located on the exterior of the building and receives storm water on one side, a. Scupper b. Gutter c. Storm drain d. Roof drain 83. The air pressure test for any threaded (low pressure) gas piping system shall be at, a. 5 psi at 15 minutes b. 10 psi at 15 minutes c. 5 psi at 10 minutes d. 10 psi at 10 minutes 83. The air pressure test for any threaded (low pressure) gas piping system shall be at, a. 5 psi at 15 minutes b. 10 psi at 15 minutes c. 5 psi at 10 minutes d. 10 psi at 10 minutes 84. Caulked or screwed joints shall be applicable to, a. PVC b. Cast iron c. Vitrified clay d. Asbestos 84. Caulked or screwed joints shall be applicable to, a. PVC b. Cast iron c. Vitrified clay d. Asbestos 85. The vent pipe serving a combination waste and vent system with a 4 inch drainpipes shall be at least, a. 2 ½ in b. 3 in c. 2 in d. 4 in 85. The vent pipe serving a combination waste and vent system with a 4 inch drainpipes shall be at least, a. 2 ½ in b. 3 in c. 2 in d. 4 in 86. Building sewers shall be tested by completely filling the sewer with water from the, a. Lowest to at least 10 ft head b. Lowest to the highest point c. Lowest to at least ground level d. Lowest to at least 5 ft head 86. Building sewers shall be tested by completely filling the sewer with water from the, a. Lowest to at least 10 ft head b. Lowest to the highest point c. Lowest to at least ground level d. Lowest to at least 5 ft head 87. In water supply piping slip joints may be used only on the, a. Cold water supply b. Concealed fixture c. Exposed fixture supply d. hot water supply 87. In water supply piping slip joints may be used only on the, a. Cold water supply b. Concealed fixture c. Exposed fixture supply d. hot water supply 88. A water system containing a water heater will require, a. Mixing valve b. Heat water return line c. Pressure relief valve d. Check valve 88. A water system containing a water heater will require, a. Mixing valve b. Heat water return line c. Pressure relief valve d. Check valve 89. Minimum size of water supply pipe for flush valve is, a. 2” b. 1” c. 3/4” d. 1/4” 89. Minimum size of water supply pipe for flush valve is, a. 2” b. 1” c. 3/4” d. 1/4” 90. Is it permissible to place building sewer and drainage piping in the same trench with water service pipe? a. Yes b. No c. Maybe d. Sometimes 90. Is it permissible to place building sewer and drainage piping in the same trench with water service pipe? a. Yes b. No c. Maybe d. Sometimes 91. Upon issuance of Plumbing permit, plumbing installation shall commence within, a. No limit b. One month c. One year d. 360 days 91. Upon issuance of Plumbing permit, plumbing installation shall commence within, a. No limit b. One month c. One year (365 days) d. 360 days 92. An automatic fill device, most commonly found in toilet tanks, a. Globe valve b. Ballcock c. Butterfly valve d. Gate valve 92. An automatic fill device, most commonly found in toilet tanks, a. Globe valve b. Ballcock c. Butterfly valve d. Gate valve 93. That part of the plumbing system extending from a point 4 ft or 5 ft from the inner face of the foundation wall of building to the junction with another sewer, a. House sewer b. Storm sewer c. Sanitary sewer d. Sewer pipe 93. That part of the plumbing system extending from a point 4 ft or 5 ft from the inner face of the foundation wall of building to the junction with another sewer, a. House sewer b. Storm sewer c. Sanitary sewer d. Sewer pipe 94. Equipment which includes all valves and controls used in the plumbing system which are required to be accessible or readily accessible is called, a. Machines b. Controls c. Regulating equipment d. Pipes 94. Equipment which includes all valves and controls used in the plumbing system which are required to be accessible or readily accessible is called, a. Machines b. Controls c. Regulating equipment d. Pipes 95. Rain water piping located on the exterior of a building using galvanized sheet metal shall not be less than, a. G.A 26 b. G.A 32 c. G.A 28 d. G.A 30 95. Rain water piping located on the exterior of a building using galvanized sheet metal shall not be less than, a. G.A 26 b. G.A 32 c. G.A 28 d. G.A 30 96. An electrically or mechanically operated device used to elevate sewage and liquid waste from a lower level to a point of discharge into a sewer or other disposal system, a. Ejector b. Ram c. Screw d. Hard pump 96. An electrically or mechanically operated device used to elevate sewage and liquid waste from a lower level to a point of discharge into a sewer or other disposal system, a. Ejector b. Ram c. Screw d. Hard pump 97. The maximum fixture units loading allowed on a 2” horizontal waste branch is, a. 4 b. 6 c. 10 d. 24 97. The maximum fixture units loading allowed on a 2” horizontal waste branch is, a. 4 b. 6 c. 10 d. 24 98. Another name for a clinical sink is, a. Special sink b. Ordinary sink c. Span washer d. Bedspan washer 98. Another name for a clinical sink is, a. Special sink b. Ordinary sink c. Span washer d. Bedspan washer 99. A measure of inertia forces to viscous forces, which sometimes describe whether it is turbulent or laminar flow, a. Reynold’s number b. Darsho’s number c. Moody number d. Weber number 99. A measure of inertia forces to viscous forces, which sometimes describe whether it is turbulent or laminar flow, a. Reynold’s number b. Darsho’s number c. Moody number d. Weber number 100. A device used to connect drainage of a dishwasher with the sanitary drainage system is called, a. Wash water device b. Vacuum breaker c. Ice breaker d. Air gap device 100. A device used to connect drainage of a dishwasher with the sanitary drainage system is called, a. Wash water device b. Vacuum breaker c. Ice breaker d. Air gap device 101. ________ design shall be such as to produce a clarified effluent consistent with accepted standards and shall provide adequate space for sludge and scum accumulations. a. Sewage treatment plant b. Septic tank c. Water treatment d. Cesspool 101. ________ design shall be such as to produce a clarified effluent consistent with accepted standards and shall provide adequate space for sludge and scum accumulations. a. Sewage treatment plant b. Septic tank c. Water treatment d. Cesspool 102. The inlet compartment of any septic tank shall be not less than _____ of the total capacity of the tank, nor less than ____ liquid capacity, and shall be at least 1.5 m x 0.9 m. a. 2/3 ; 2 m3 b. 3/8 ; 2 m3 c. 1/3 ; 1 m3 d. 3/8 ; 1 m3 102. The inlet compartment of any septic tank shall be not less than _____ of the total capacity of the tank, nor less than ____ liquid capacity, and shall be at least 1.5 m x 0.9 m. a. 2/3 ; 2 m3 b. 3/8 ; 2 m3 c. 1/3 ; 1 m3 d. 3/8 ; 1 m3 103. The second compartment of any septic tank shall have a minimum capacity of _____ and a maximum capacity of _____ of the total capacity such tank. a. 2 m3 ; 1/3 b. 2 m3 ; 2/3 c. 1 m3 ; 1/3 d. 1 m3 ; 2/3 103. The second compartment of any septic tank shall have a minimum capacity of _____ and a maximum capacity of _____ of the total capacity such tank. a. 2 m3 ; 1/3 b. 2 m3 ; 2/3 c. 1 m3 ; 1/3 d. 1 m3 ; 2/3 104. In septic tanks having over 6 m3 capacity, the secondary compartment may not less than ______ in length. a. 3 m b. 2 m c. 1.5 m d. 1.2 m 104. In septic tanks having over 6 m3 capacity, the secondary compartment may not less than ______ in length. a. 3 m b. 2 m c. 1.5 m d. 1.2 m 105. Access to each septic tank shall be provided by at least two manholes _____ in minimum dimension or by an equivalent removable cover slab. a. 505 mm b. 507 mm c. 508 mm d. 509 mm 105. Access to each septic tank shall be provided by at least two manholes _____ in minimum dimension or by an equivalent removable cover slab. a. 505 mm b. 507 mm c. 508 mm d. 509 mm 106. Wherever a first compartment exceeds 3.7 m in length, an ________ shall be provided over the baffle wall. a. Additional compartment b. Additional manhole c. Additional inlet and outlet pipes d. Additional vertical clearances 106. Wherever a first compartment exceeds 3.7 m in length, an ________ shall be provided over the baffle wall. a. Additional compartment b. Additional manhole c. Additional inlet and outlet pipes d. Additional vertical clearances 107. The vertical leg of a round inlet and outlet fittings shall not be less in size than the connecting sewer pipe nor less than ______. a. 100.6 mm b. 102.6 mm c. 104.6 mm d. 106.6 mm 107. The vertical leg of a round inlet and outlet fittings shall not be less in size than the connecting sewer pipe nor less than ______. a. 100.6 mm b. 102.6 mm c. 104.6 mm d. 106.6 mm 108. A baffle type fitting shall have the equivalent cross-sectional area of the connecting sewer pipe and not less than a _____ horizontal dimension when measured at the inlet and outlet pipe inverts. a. 100.6 mm b. 102.6 mm c. 104.6 mm d. 106.6 mm 108. A baffle type fitting shall have the equivalent cross-sectional area of the connecting sewer pipe and not less than a _____ horizontal dimension when measured at the inlet and outlet pipe inverts. a. 100.6 mm b. 102.6 mm c. 104.6 mm d. 106.6 mm 109. The inlet and outlet pipe or baffle shall extend _____ above and at least _____ below the water surface. a. 101.6 mm ; 304.8 mm b. 102.6 mm ; 304.8 mm c. 104.6 mm ; 308.4 mm d. 106.6 mm ; 308.4 mm 109. The inlet and outlet pipe or baffle shall extend _____ above and at least _____ below the water surface. a. 101.6 mm ; 304.8 mm b. 102.6 mm ; 304.8 mm c. 104.6 mm ; 308.4 mm d. 106.6 mm ; 308.4 mm 110. The invert of the inlet pipe shall be at a level not less than ____ above the invert of the outlet pipe. a. 50.6 mm b. 51 mm c. 50.8 mm d. 52 mm 110. The invert of the inlet pipe shall be at a level not less than ____ above the invert of the outlet pipe. a. 50.6 mm b. 51 mm c. 50.8 mm d. 52 mm 111. In septic tank, the side wall shall extend at least _____ above the liquid depth. a. 226.8 mm b. 228.6 mm c. 282.6 mm d. 262.8 mm 111. In septic tank, the side wall shall extend at least _____ above the liquid depth. a. 226.8 mm b. 228.6 mm c. 282.6 mm d. 262.8 mm 112. Used of wooden baffles in septic tank are prohibited? a. True b. False c. Maybe d. Trulse 112. Used of wooden baffles in septic tank are prohibited? a. True b. False c. Maybe d. Trulse 113. All septic tank covers shall be capable of supporting an earth load of not less than _____ when the maximum coverage does not exceed 9.0 m. a. 2.088 psi b. 1.43 bar c. 0.143 kg/cm^2 d. None of the above 113. All septic tank covers shall be capable of supporting an earth load of not less than _____ when the maximum coverage does not exceed 9.0 m. a. 2.088 psi (14.4 kPa) b. 1.43 bar c. 0.143 kg/cm^2 d. None of the above 114. All concrete septic tanks shall be protected from corrosion by coating with an approved ______ or by other acceptable means at least 101.6 mm below the water line. a. Asphalt coating b. Molten zinc coating c. Bituminous coating d. Iron coating 114. All concrete septic tanks shall be protected from corrosion by coating with an approved ______ or by other acceptable means at least 101.6 mm below the water line. a. Asphalt coating b. Molten zinc coating c. Bituminous coating d. Iron coating 115. In steel septic tank, the minimum wall thickness shall be _______ and each such tank shall be protected from corrosion both internally and externally. a. No. 10 U.S gauge (8.2 mm) b. No. 12 U.S gauge (2.8 mm) c. No. 14 U.S gauge (2.8 mm) d. No. 16 U.S gauge (8.2 mm) 115. In steel septic tank, the minimum wall thickness shall be _______ and each such tank shall be protected from corrosion both internally and externally. a. No. 10 U.S gauge (8.2 mm) b. No. 12 U.S gauge (2.8 mm) c. No. 14 U.S gauge (2.8 mm) d. No. 16 U.S gauge (8.2 mm) 116. In disposal field, clean stone, gravel, slag, or similar filter material acceptable to the Administrative Authority, varying in size from ____ to ____ shall be placed in the trench to the depth and grade. a. 15 mm to 51 mm b. 19.1 mm to 63.5 mm c. ½” to 2 1/2” d. ¾” to 2 1/4” 116. In disposal field, clean stone, gravel, slag, or similar filter material acceptable to the Administrative Authority, varying in size from ____ to ____ shall be placed in the trench to the depth and grade. a. 15 mm to 51 mm b. 19.1 mm to 63.5 mm c. ½” to 2 1/2” d. ¾” to 2 1/4” 117. When seepage pit are used in combination with disposal fields, the filter material in the trenches shall terminate at least ______ from the pit excavation. a. 1 m b. 1.2 m c. 1.5 m d. 3 m 117. When seepage pit are used in combination with disposal fields, the filter material in the trenches shall terminate at least ______ from the pit excavation. a. 1 m b. 1.2 m c. 1.5 m d. 3 m 118. What will be the recommendation of a Master Plumber when the quantity of sewage exceeds the amount that can be disposed in 152.4 linear meter of each line in a disposal fields? a. Use of another tank b. Use of dosing tank c. Extension of such disposal field d. Use of steel septic tank 118. What will be the recommendation of a Master Plumber when the quantity of sewage exceeds the amount that can be disposed in 152.4 linear meter of each line in a disposal fields? a. Use of another tank b. Use of dosing tank c. Extension of such disposal field d. Use of steel septic tank 119. In disposal fields dosing tanks shall discharges once every 3-4 hrs and a capacity equal to _______ percent of the interior capacity of the pipe to be dosed. a. 50% to 75% b. 60% to 70% c. 60% to 75% d. 50% to 85% 119. In disposal fields dosing tanks shall discharges once every 3-4 hrs and a capacity equal to _______ percent of the interior capacity of the pipe to be dosed. a. 50% to 75% b. 60% to 70% c. 60% to 75% d. 50% to 85% 120. In constructing disposal fields, the minimum of filter material under drain lines is? a. 300 mm b. 302.4 mm c. 304.8 mm d. 308.4 mm 120. In constructing disposal fields, the minimum of filter material under drain lines is? a. 300 mm b. 302.4 mm c. 304.8 mm d. 308.4 mm 121. In constructing disposal fields, the minimum of filter material over drain lines is? a. 58.0 mm b. 302.4 mm c. 304.8 mm d. 50.8 mm 121. In constructing disposal fields, the minimum of filter material over drain lines is? a. 58.0 mm b. 302.4 mm c. 304.8 mm d. 50.8 mm 122. Each seepage pit shall be circular in shape and shall have an excavated diameter of not less than _______. a. 7.21 ft b. 2.0 m c. 1.8 m d. 10 ft 122. Each seepage pit shall be circular in shape and shall have an excavated diameter of not less than _______. a. 7.21 ft (2.2 m) b. 2.0 m c. 1.8 m d. 10 ft 123. In constructing seepage pit, no brick or block shall be greater in height than its width and shall be laid flat to form at least a 101.6 mm wall. a. True b. False c. Maybe d. Trulse 123. In constructing seepage pit, no brick or block shall be greater in height than its width and shall be laid flat to form at least a 101.6 mm wall. a. True b. False c. Maybe d. Trulse 124. All brick or block used in seepage pit construction shall have a minimum compressive strength of ________. a. 17,000 kPa b. 2,497.62 psi c. 2,450 psi d. 17,300 kPa 124. All brick or block used in seepage pit construction shall have a minimum compressive strength of ________. a. 17,000 kPa b. 2,497.62 psi (17,225 kPa) c. 2,450 psi d. 17,300 kPa 125. In seepage pit, the reinforced concrete slab shall not be less than _______ thick and designed to support an earth load of not less than _____. a. 127 mm ; 19.2 kPa b. 130 mm ; 12.9 kPa c. 125 mm ; 19.2 kPa d. 135 mm ; 12.9 kPa 125. In seepage pit, the reinforced concrete slab shall not be less than _______ thick and designed to support an earth load of not less than _____. a. 127 mm ; 19.2 kPa b. 130 mm ; 12.9 kPa c. 125 mm ; 19.2 kPa d. 135 mm ; 12.9 kPa 126. When using a one or two piece concrete slab cover inlet in seepage pit, the fitting may be a ______ discharging through an opening in the top of the slab cover. a. 1/8 bend b. ¼ bend c. 1/6 bend d. 3/8 bend 126. When using a one or two piece concrete slab cover inlet in seepage pit, the fitting may be a ______ discharging through an opening in the top of the slab cover. a. 1/8 bend b. ¼ bend c. 1/6 bend d. 3/8 bend 127. During inspection in constructing septic tanks or other primary systems shall be installed on dry, level, well-compacted soil. a. True b. False c. Maybe d. Trulse 127. During inspection in constructing septic tanks or other primary systems shall be installed on dry, level, well-compacted soil. a. True b. False c. Maybe d. Trulse 128. Cleanouts required, except: a. On short horizontal drainage pipe installed at a slope of 72⁰ or less from the vertical line (or at an angle of 1/5 bend). b. At the upper terminal of every horizontal sewer or waste line. c. Additional clean-out shall be provided on a horizontal line with an aggregate offset angle exceeding 135⁰. d. At every 15m of total developed length or a fraction thereof. 128. Cleanouts required, except: a. On short horizontal drainage pipe installed at a slope of 72⁰ or less from the vertical line (or at an angle of 1/5 bend). b. At the upper terminal of every horizontal sewer or waste line. c. Additional clean-out shall be provided on a horizontal line with an aggregate offset angle exceeding 135⁰. d. At every 15m of total developed length or a fraction thereof. 129. In designing plumbing plans, what shall be a registered master plumber remembered first when plotting cleanouts, except? a. each 90⁰ cleanout extension shall be constructed from a wye fitting or an approved fitting of equivalent sweep. b. Cleanouts in underfloor piping shall be extended outside the building when there is less than 17” vert. clearance or 28” hor. clearance to the means of access. c. Cleanout with 2” or less shall have a front clearance of not less than 12 inches and 2” & above shall have a front clearance of 18 inches. d. No underfloor cleanout for residential occupancies shall be located more than 244 inches from an access door, trap door or crawl hole. 129. In designing plumbing plans, what shall be a registered master plumber remembered first when plotting cleanouts, except? a. each 90⁰ cleanout extension shall be constructed from a wye fitting or an approved fitting of equivalent sweep. b. Cleanouts in underfloor piping shall be extended outside the building when there is less than 17” (18”or 450 mm) vert. clearance or 28” (30”or 750 mm) hor. clearance to the means of access. c. Cleanout with 2” or less shall have a front clearance of not less than 12 inches and 2” & above shall have a front clearance of 18 inches. d. No underfloor cleanout for residential occupancies shall be located more than 244 inches from an access door, trap door or crawl hole. 130. Vents required, except: a. Traps serving sinks in an island bar counter. b. Each CW & VS in any branch more than 4.6 m in length. c. Series of three (3) water closets. d. In front of the highest fixture connection on a horizontal branch. 130. Vents required, except: a. Traps serving sinks in an island bar counter. b. Each CW & VS in any branch more than 4.6 m in length. c. Series of three (3) water closets. (wet vent) d. In front of the highest fixture connection on a horizontal branch. (circuit vent) 131. In NBCP, wet standpipe shall have a water pressure of? a. 0.14062 psi b. 6.89 kPa c. 0.0689 bar d. 51.7 mm Hg 131. In NBCP, wet standpipe shall have a water pressure of? a. 0.14062 psi ( 2 kg / cm2) b. 6.89 kPa c. 0.0689 bar d. 51.7 mm Hg 2 1 psi = 0.07031 kg / cm 132. In NBCP, dry standpipe shall have a water pressure of? a. 1.406 psi b. 137.8 kPa c. 1.378 bar d. 1034 mm Hg 132. In NBCP, dry standpipe shall have a water pressure of? a. 1.406 psi ( 20 kg / cm2) b. 137.8 kPa c. 1.378 bar d. 1034 mm Hg 1 psi = 0.07031 kg / cm2 133. It is the standard diameter of a wet standpipe valve which is located not less than 300 mm and not more than 1.2 m above the floor. a. 32 mm b. 38 mm c. 51 mm d. 63 mm 133. It is the standard diameter of a wet standpipe valve which is located not less than 300 mm and not more than 1.2 m above the floor. a. 32 mm b. 38 mm c. 51 mm d. 63 mm 134. It is the standard diameter of a dry standpipe opening. a. 32 mm b. 38 mm c. 51 mm d. 63 mm 134. It is the standard diameter of a dry standpipe opening. a. 32 mm b. 38 mm c. 51 mm d. 63 mm 135. The maximum distance of a hose nozzle to any portion of a building. a. 23 m b. 15 m c. 6 m d. 3 m 135. The maximum distance of a hose nozzle to any portion of a building. a. 23 m b. 15 m c. 6 m d. 3 m 136. The standard length of a fire hose. a. 23 m b. 15 m c. 6 m d. 30 m 136. The standard length of a fire hose. a. 23 m b. 15 m c. 6 m d. 30 m 137. It is the minimum diameter of a wet standpipe. a. 76 mm b. 63 mm c. 51 mm d. 38 mm 137. It is the minimum diameter of a wet standpipe. a. 76 mm b. 63 mm c. 51 mm d. 38 mm 138. Minimum volume of water an interior wet standpipe should provide. a. 900 lpm b. 500 lpm c. 190 lpm d. 300 lpm 138. Minimum volume of water an interior wet standpipe should provide. a. 900 lpm b. 500 lpm c. 190 lpm d. 300 lpm 139. Minimum volume of water a dry standpipe should provide. a. 900 lpm b. 500 lpm c. 190 lpm d. 300 lpm 139. Minimum volume of water a dry standpipe should provide. a. 900 lpm b. 500 lpm c. 190 lpm d. 300 lpm 140. It is the diameter of a dry standpipe requiring a 2-way Siamese connection. a. 152 mm b. 76 mm c. 102 mm d. 125 mm 140. It is the diameter of a dry standpipe requiring a 2-way Siamese connection. a. 152 mm b. 76 mm c. 102 mm d. 125 mm 141. It is the diameter of a dry standpipe requiring a 3-way Siamese connection. a. 152 mm b. 76 mm c. 102 mm d. 125 mm 141. It is the diameter of a dry standpipe requiring a 3-way Siamese connection. a. 152 mm b. 76 mm c. 102 mm d. 125 mm 142. It is the diameter of a dry standpipe requiring a 4-way Siamese connection. a. 152 mm b. 76 mm c. 102 mm d. 125 mm 142. It is the diameter of a dry standpipe requiring a 4-way Siamese connection. a. 152 mm b. 76 mm c. 102 mm d. 125 mm 143. Minimum number of storey that are requiring one (1) or more dry standpipes. a. 3 b. 4 c. 5 d. 6 143. Minimum number of storey that are requiring one (1) or more dry standpipes. a. 3 b. 4 c. 5 d. 6 144. The design, construction and operation of deep well for the abstraction of groundwater in accordance with the criteria set by? a. DOH b. Sanitation Code and NPCC c. Water Code d. NSDW 144. The design, construction and operation of deep well for the abstraction of groundwater in accordance with the criteria set by? a. DOH b. Sanitation Code and NPCC c. Water Code d. NSDW 145. Sanitary sewage from buildings and neutralized or pre-treated industrial waste water shall be discharged directly into the nearest street public sewer main in accordance with the criteria set by? a. DOH b. Sanitation Code and NPCC c. Water Code d. NSDW 145. Sanitary sewage from buildings and neutralized or pre-treated industrial waste water shall be discharged directly into the nearest street public sewer main in accordance with the criteria set by? a. DOH b. Sanitation Code and NPCC c. Water Code d. NSDW 146. Quality of drinking water from meteoric, surface and underground surfaces shall be in accordance by? a. DOH b. Sanitation Code and NPCC c. Water Code d. NSDW 146. Quality of drinking water from meteoric, surface and underground surfaces shall be in accordance by? a. DOH b. Sanitation Code and NPCC c. Water Code d. NSDW 147. Dome-type strainers shall have a minimum total net inlet area of _______ times the area of the outlet pipe to which it is connected. a. 1 ½ b. 2 ½ c. 1 d. 2 147. Dome-type strainers shall have a minimum total net inlet area of _______ times the area of the outlet pipe to which it is connected. a. 1 ½ b. 2 ½ c. 1 d. 2 148. No galvanized wrought iron or galvanized steel pipe shall be used underground and shall be kept at least ______ above ground. a. 125 mm b. 102 mm c. 152 mm d. 200 mm 148. No galvanized wrought iron or galvanized steel pipe shall be used underground and shall be kept at least ______ above ground. a. 125 mm b. 102 mm c. 152 mm d. 200 mm 149. Air is forced into the pipe system until there is a uniform gauge pressure of _____ or sufficient to balance a column of mercury 254 mm in height. a. 34.5 kPa b. 43.5 kPa c. 35.4 kPa d. 45.3 kPa 149. Air is forced into the pipe system until there is a uniform gauge pressure of _____ or sufficient to balance a column of mercury 254 mm in height. a. 34.5 kPa b. 43.5 kPa c. 35.4 kPa d. 45.3 kPa 150. Interceptors or clarifiers for sand and similar heavy solids shall be so designed and located as to be readily accessible for cleaning and shall have a water seal of not less than ____ deep. a. 152 mm b. 125 mm c. 102 mm d. 145 mm 150. Interceptors or clarifiers for sand and similar heavy solids shall be so designed and located as to be readily accessible for cleaning and shall have a water seal of not less than ____ deep. a. 152 mm b. 125 mm c. 102 mm d. 145 mm 151. All septic tank covers shall be capable of supporting on earth load of not less than _____ when the maximum coverage does not exceed 9m. a. 14.4 kPa b. 15.3 kPa c. 18.3 kPa d. 16.2 kPa 151. All septic tank covers shall be capable of supporting on earth load of not less than _____ when the maximum coverage does not exceed 9m. a. 14.4 kPa b. 15.3 kPa c. 18.3 kPa d. 16.2 kPa 152. Sizing of rainwater piping for two adjacent walls-add _____ of the total wall areas to the roof area. a. 45% b. 50% c. No additional d. 35% 152. Sizing of rainwater piping for two adjacent walls-add _____ of the total wall areas to the roof area. a. 45% b. 50% c. No additional d. 35% 153. Sizing of rainwater piping for one wall -add _____ of area of the wall to the roof area. a. 45% b. 50% c. No additional d. 35% 153. Sizing of rainwater piping for one wall -add _____ of area of the wall to the roof area. a. 45% b. 50% c. No additional d. 35% 154. Sizing of rainwater piping for two walls opposite each other and of the same heights -add _____ area to the roof area. a. 45% b. 50% c. No additional d. 35% 154. Sizing of rainwater piping for two walls opposite each other and of the same heights -add _____ area to the roof area. a. 45% b. 50% c. No additional d. 35% 155. Sizing of rainwater piping for two walls opposite of differing heights -add _____ of wall area above top of lower wall to the roof area. a. 45% b. 50% c. No additional d. 35% 155. Sizing of rainwater piping for two walls opposite of differing heights -add _____ of wall area above top of lower wall to the roof area. a. 45% b. 50% c. No additional d. 35% 156. Sizing of rainwater piping for walls on three sides -add _____ of area of the inner wall below the top of lower wall, plus allowance for area of wall above top of the lowest wall. a. 45% b. 50% c. No additional d. 35% 156. Sizing of rainwater piping for walls on three sides -add _____ of area of the inner wall below the top of lower wall, plus allowance for area of wall above top of the lowest wall. a. 45% b. 50% c. No additional d. 35% 157. Cleanouts may omitted on short horizontal drainage pipe installed at a slope of _____ or less from the vertical line ( or an angle _____ bend). a. 72 degrees ; 1/5 bend b. 45 degrees ; 1/8 bend c. 72 degrees ; 1/8 bend d. 45 degrees ; 1/5 bend 157. Cleanouts may omitted on short horizontal drainage pipe installed at a slope of _____ or less from the vertical line ( or an angle _____ bend). a. 72 degrees ; 1/5 bend b. 45 degrees ; 1/8 bend c. 72 degrees ; 1/8 bend d. 45 degrees ; 1/5 bend 158. Each grease trap shall have an approved water seal of not less than _____ in depth or the diameter of its outlet, which is greater. a. 38 mm b. 64 mm c. 76 mm d. 51 mm 158. Each grease trap shall have an approved water seal of not less than _____ in depth or the diameter of its outlet, which is greater. a. 38 mm b. 64 mm c. 76 mm d. 51 mm 159.The indirect waste lines carrying refrigeration waste shall not be smaller than one (1) inlet serving not more than 2.8 mm3 of refrigeration space. a. b. c. d. 38 mm 32 mm 76 mm 51 mm 159.The indirect waste lines carrying refrigeration waste shall not be smaller than one (1) inlet serving not more than 2.8 mm3 of refrigeration space. a. b. c. d. 38 mm 32 mm 76 mm 51 mm 160. Approval of House Bill No. 962 also known as R.A No. 1378. a. 1978 b. 1852 c. 1954 d. 1935 160. Approval of House Bill No. 962 also known as R.A No. 1378. a. 1978 b. 1852 c. 1954 d. 1935 161. Maximum drainage fixture units allowed in a 3” stack. a. 50 DFU b. 48 DFU c. 80 DFU d. 60 DFU 161. Maximum drainage fixture units allowed in a 3” stack. a. 50 DFU b. 48 DFU c. 80 DFU d. 60 DFU 162. Maximum drainage fixture units allowed in a 4” waste stack. a. 256 DFU b. 216 DFU c. 48 DFU d. 35 DFU 162. Maximum drainage fixture units allowed in a 4” waste stack. a. 256 DFU b. 216 DFU c. 48 DFU d. 35 DFU 163. Maximum drainage fixture units allowed in a 4” horizontal waste branch. a. 256 DFU b. 216 DFU c. 48 DFU d. 35 DFU 163. Maximum drainage fixture units allowed in a 4” horizontal waste branch. a. 256 DFU b. 216 DFU c. 48 DFU d. 35 DFU 164. Type of joints for soft copper water tubing shall be made with fittings meeting approved standards. The tubing shall be expanded with a proper flaring tool. a. Flared joints b. Solder & sweat joints c. Cement mortar joints d. Burned lead joints 164. Type of joints for soft copper water tubing shall be made with fittings meeting approved standards. The tubing shall be expanded with a proper flaring tool. a. Flared joints b. Solder & sweat joints c. Cement mortar joints d. Burned lead joints 165. The maximum permissible length for a 2” vent piping. a. 18 m b. 37 m c. 40 m d. 50 m 165. The maximum permissible length for a 2” vent piping. a. 18 m b. 37 m c. 40 m d. 50 m 166. The maximum permissible length for a 3” vent piping. a. 37 m b. 65 m c. 91 m d. 55 m 166. The maximum permissible length for a 3” vent piping. a. 37 m b. 65 m c. 91 m d. 55 m 167. The maximum permissible length for a 4” vent piping. a. 37 m b. 65 m c. 91 m d. 55 m 167. The maximum permissible length for a 4” vent piping. a. 37 m b. 65 m c. 91 m d. 55 m 168. Drainage Fixture Unit of Sink, bar (Private 38 mm min waste). a. 1 b. 2 c. 3 d. 4 168. Drainage Fixture Unit of Sink, bar (Private 38 mm min waste). a. 1 b. 2 c. 3 d. 4 169. Maximum drainage fixture units allowed for a 2” vent pipe. a. 8 DFU b. 24 DFU c. 84 DFU d. 256 DFU 169. Maximum drainage fixture units allowed for a 2” vent pipe. a. 8 DFU b. 24 DFU c. 84 DFU d. 256 DFU 170. Maximum drainage fixture units allowed for a 3” vent pipe. a. 8 DFU b. 24 DFU c. 84 DFU d. 256 DFU 170. Maximum drainage fixture units allowed for a 3” vent pipe. a. 8 DFU b. 24 DFU c. 84 DFU d. 256 DFU 171. Maximum drainage fixture units allowed for a 4” vent pipe. a. 8 DFU b. 24 DFU c. 84 DFU d. 256 DFU 171. Maximum drainage fixture units allowed for a 4” vent pipe. a. 8 DFU b. 24 DFU c. 84 DFU d. 256 DFU 172. Tube made of plastic material and colored black. The cross-sectional shape is circular and is denotes by its outside diameter or O.D. a. PB b. PE c. PVC d. ABS 172. Tube made of plastic material and colored black. The cross-sectional shape is circular and is denotes by its outside diameter or O.D. a. PB b. PE c. PVC d. ABS 173. An impairment of the quality of the water to a degree which creates hazard to the public health and adversely affects the aesthetic and potable qualities of waters for domestic use. a. Pollution b. Quality of water c. Potable water d. Defects 173. An impairment of the quality of the water to a degree which creates hazard to the public health and adversely affects the aesthetic and potable qualities of waters for domestic use. a. Pollution b. Quality of water c. Potable water d. Defects 174. The normal force exerted by a homogeneous liquid or gas per unit of area on the wall of the container. a. Pitch b. Static head c. Friction loss d. Pressure 174. The normal force exerted by a homogeneous liquid or gas per unit of area on the wall of the container. a. Pitch b. Static head c. Friction loss d. Pressure 175. An approved plumbing fixture or device of such materials, shape and capacity to adequately receive the discharge from indirect waste pipes constructed and located to readily cleaned. a. Rim b. Receptor c. Riser d. Revent pipe 175. An approved plumbing fixture or device of such materials, shape and capacity to adequately receive the discharge from indirect waste pipes constructed and located to readily cleaned. a. Rim b. Receptor c. Riser d. Revent pipe 176. In a line of piping is a combination of elbows or bends, which brings one section of the pipe out of line but into a line parallel with the original section. a. Dead end b. Offset c. Drain d. Flooded 176. In a line of piping is a combination of elbows or bends, which brings one section of the pipe out of line but into a line parallel with the original section. a. Dead end b. Offset c. Drain d. Flooded 177. The pressure available at the fixture or water outlet, allowance is made for pressure drop due at friction loss, head, meter and other losses in the system during maximum demand period. a. Pressure b. Residual pressure c. Static pressure d. Pressure loss 177. The pressure available at the fixture or water outlet, allowance is made for pressure drop due at friction loss, head, meter and other losses in the system during maximum demand period. a. Pressure b. Residual pressure c. Static pressure d. Pressure loss 178. Generally, what is the standard diameter of standpipe for building two or three stories in height? a. 4” b. 6” c. 3” d. 2” 178. Generally, what is the standard diameter of standpipe for building two or three stories in height? a. 4” b. 6” c. 3” d. 2” 179. What is the maximum height for the hose cabinet to be installed from the floor line? a. 6 ft b. 8 ft c. 5 ft d. 4 ft 179. What is the maximum height for the hose cabinet to be installed from the floor line? a. 6 ft b. 8 ft c. 5 ft d. 4 ft 180. Is a device located at the bottom of the tank for the purpose of flushing water closet and similar fixtures. a. Date valve b. Flush valve c. Flushometer valve d. Flush tank 180. Is a device located at the bottom of the tank for the purpose of flushing water closet and similar fixtures. a. Date valve b. Flush valve c. Flushometer valve d. Flush tank 181. What is the copper content in brass fitting? a. 80% b. 85% c. 90% d. 95% 181. What is the copper content in brass fitting? a. 80% b. 85% c. 90% d. 95% 182. A pressure regulator should be installed when pressure exceeds. a. 75 psi b. 80 psi c. 85 psi d. 90 psi 182. A pressure regulator should be installed when pressure exceeds. a. 75 psi b. 80 psi c. 85 psi d. 90 psi 183. What is the standard diameter of standpipe of standpipe for buildings more than six stories tall? a. 5” b. 4” c. 6” d. 12” 183. What is the standard diameter of standpipe of standpipe for buildings more than six stories tall? a. 5” b. 4” c. 6” d. 12” 184. Which type of fire line installation has become obsolete and seldom installed? a. Automatic system b. Wet standpipe c. Local vent d. Dry standpipe 184. Which type of fire line installation has become obsolete and seldom installed? a. Automatic system b. Wet standpipe c. Local vent d. Dry standpipe 185. What is the interval distance between cleanout along lateral line? a. 15 m b. 48 m c. 10 m d. 6 m 185. What is the interval distance between cleanout along lateral line? a. 15 m b. 48 m c. 10 m d. 6 m 186. A fixture vent pipe increased one pipe size its entire length. a. May exceed the maximum horizontal length limited by code b. Will be better workmanship job c. Will increase venting efficiency d. Will reduce the cost of installation 186. A fixture vent pipe increased one pipe size its entire length. a. May exceed the maximum horizontal length limited by code b. Will be better workmanship job c. Will increase venting efficiency d. Will reduce the cost of installation 187. The movement of water to the surface of a soil and into the soil below the surface is, a. Storm meter run off b. Depression c. Evaporation d. Infiltration 187. The movement of water to the surface of a soil and into the soil below the surface is, a. Storm meter run off b. Depression c. Evaporation d. Infiltration 188. Every passage to an attic water heater shall have a solid continuous flooring not less than, a. 36 in wide b. 48 in wide c. 60 in wide d. 24 in wide 188. Every passage to an attic water heater shall have a solid continuous flooring not less than, a. 36 in wide b. 48 in wide c. 60 in wide d. 24 in wide 189. A vent in a combustion waste and vent system shall be approximately equal in area to one half. a. Area of the house sewer b. Cross section area of the draw pipe c. Area of the public sewer d. Diameter of the draw pipe served 189. A vent in a combustion waste and vent system shall be approximately equal in area to one half. a. Area of the house sewer b. Cross section area of the draw pipe c. Area of the public sewer d. Diameter of the draw pipe served 190. What valve is the required a head of each water supplied appliance, each slip joints or nonmetallic connection? a. Flow valve b. Check valve c. Control valve d. Solenoid valve 190. What valve is the required a head of each water supplied appliance, each slip joints or nonmetallic connection? a. Flow valve b. Check valve c. Control valve d. Solenoid valve 191. The maximum fixture unit loading allowed on 2” waste stack is? a. 4 DFU b. 16 DFU c. 20 DFU d. 24 DFU 191. The maximum fixture unit loading allowed on 2” waste stack is? a. 4 DFU b. 16 DFU c. 20 DFU d. 24 DFU 192. The diameter of an individual vent shall not be less than 32 mm or less in size than _____ the diameter of the drain to which it is connected. a. 1/3 b. 1/2 c. 2/3 d. 7/24 192. The diameter of an individual vent shall not be less than 32 mm or less in size than _____ the diameter of the drain to which it is connected. a. 1/3 b. 1/2 c. 2/3 d. 7/24 193. An automatic fill device most commonly found in toilet tanks. a. Globe valve b. Ball cock c. Butterfly valve d. Gate valve 193. An automatic fill device most commonly found in toilet tanks. a. Globe valve b. Ball cock c. Butterfly valve d. Gate valve 194. In the water supply piping slip joints may be used only on the ______. a. Cold water supply b. Concealed fixtures c. Exposed fixtures supply d. Hot water supply 194. In the water supply piping slip joints may be used only on the ______. a. Cold water supply b. Concealed fixtures c. Exposed fixtures supply d. Hot water supply 195. Building sewer shall be tested by completely filing the sewer with water from the _____. a. Lowest to at least 10 ft head b. Lowest to the highest point c. Lowest to at least ground level d. Lowest to at least 5 ft head 195. Building sewer shall be tested by completely filing the sewer with water from the _____. a. Lowest to at least 10 ft head b. Lowest to the highest point c. Lowest to at least ground level d. Lowest to at least 5 ft head 196. The vent pipe serving a combination waste and system with a 4” drain pipe shall be at least? a. 2 ½” b. 3 ½” c. 3” d. 2” 196. The vent pipe serving a combination waste and system with a 4” drain pipe shall be at least? a. 2 ½” b. 3 ½” c. 3” d. 2” 197. Maximum permissible length of 2” stack. a. 26 m b. 20 m c. 65 m d. 91 m 197. Maximum permissible length of 2” stack. a. 26 m b. 20 m c. 65 m d. 91 m 198. The number of threads per 25.4 mm for a 51 mm pipe and 38 mm cleanout. a. 8 b. 5 c. 11-1/2 d. 10 198. The number of threads per 25.4 mm for a 51 mm pipe and 38 mm cleanout. a. 8 b. 5 c. 11-1/2 d. 10 199. The critical level marking on a backflow prevention device or vacuum breaker is a point established by the? a. Testing Lavatory b. Health Officer c. Inspector d. Manufacturer 199. The critical level marking on a backflow prevention device or vacuum breaker is a point established by the? a. Testing Lavatory b. Health Officer c. Inspector d. Manufacturer 200. The number of threads per 25.4 mm for a 76 mm pipe and 64 mm cleanout. a. 5 b. 8 c. 11-1/2 d. 10 200. The number of threads per 25.4 mm for a 76 mm pipe and 64 mm cleanout. a. 5 b. 8 c. 11-1/2 d. 10 201. When connecting plastic pipe to other types of piping, the specific transition intended shall be made with approved? a. Soldered joint b. Threaded joint c. Fitting & Adapter d. Sweated joint 201. When connecting plastic pipe to other types of piping, the specific transition intended shall be made with approved? a. Soldered joint b. Threaded joint c. Fitting & Adapter d. Sweated joint 202. A pipe joint obtaining by jointing metal parts with metallic mixtures which melts at a temperature from 149⁰C - 427⁰C. a. Brazing b. Soldering c. Welding d. GMAW 202. A pipe joint obtaining by jointing metal parts with metallic mixtures which melts at a temperature from 149⁰C - 427⁰C. a. Brazing b. Soldering c. Welding d. GMAW 203. Any joint obtained by joining metal parts with alloys which melt at temperature higher than 449⁰C but lower than the melting temperature of the parts to be joined. a. Brazing b. Soldering c. Welding d. GMAW 203. Any joint obtained by joining metal parts with alloys which melt at temperature higher than 449⁰C but lower than the melting temperature of the parts to be joined. a. Brazing b. Soldering c. Welding d. GMAW 204. The code of Sanitation of the Philippines with Implementing Rules and Regulations. a. PD 568 b. PD 658 c. PD 856 d. PD 865 204. The code of Sanitation of the Philippines with Implementing Rules and Regulations. a. PD 568 b. PD 658 c. PD 856 d. PD 865 205. An outhouse or structure used for the deposition of excrement. a. Privy b. Septic c. Catch basin d. Latrine 205. An outhouse or structure used for the deposition of excrement. a. Privy b. Septic c. Catch basin d. Latrine 206. A tee with branch to receive a threaded pipe or fittings. a. Branch tee b. Closed tee c. Threaded tee d. Tapped tee 206. A tee with branch to receive a threaded pipe or fittings. a. Branch tee b. Closed tee c. Threaded tee d. Tapped tee 207. In case of renewal of expired plumbing permit, a fee of equivalent to _____ of the original fee. a. Whole b. ½ c. ¾ d. None of the above 207. In case of renewal of expired plumbing permit, a fee of equivalent to _____ of the original fee. a. Whole b. ½ c. ¾ d. None of the above 208. Sanitary Engineering Law. a. RA 1378 b. RA 1364 c. RA 1368 d. RA 9514 208. Sanitary Engineering Law. a. RA 1378 b. RA 1364 c. RA 1368 d. RA 9514 209. Any two or more similar adjacent fixtures which discharge into a common horizontal soil or waste branch. a. Series of fixtures b. Side by side fixtures c. Group of fixtures d. Battery of fixtures 209. Any two or more similar adjacent fixtures which discharge into a common horizontal soil or waste branch. a. Series of fixtures b. Side by side fixtures c. Group of fixtures d. Battery of fixtures 210. Each cleanout in piping 51 mm or less in size shall be installed so that there is clearance of not less than _____ in front of the cleanout. a. 504 mm b. 102 mm c. 305 mm d. 50 mm 210. Each cleanout in piping 51 mm or less in size shall be installed so that there is clearance of not less than _____ in front of the cleanout. a. 504 mm b. 102 mm c. 305 mm d. 50 mm 211. No building sewer or other drainage piping or part thereof, constructed of materials other than approved for use or within the building shall be installed under or within ____ for any building or structure. a. 1 ft b. 2 ft c. 3 ft d. 4 ft 211. No building sewer or other drainage piping or part thereof, constructed of materials other than approved for use or within the building shall be installed under or within ____ for any building or structure. a. 1 ft b. 2 ft c. 3 ft d. 4 ft 212. The water used test shall be obtained from a potable source of supply. A ____ air pressure may be substituted for the water test. a. 443.5 kPa (64.4 psi) b. 334.5 kPa (48.5 psi) c. 344.5 kPa (50 psi) d. 433.5 kPa (63 psi) 212. The water used test shall be obtained from a potable source of supply. A ____ air pressure may be substituted for the water test. a. 443.5 kPa (64.4 psi) b. 334.5 kPa (48.5 psi) c. 344.5 kPa (50 psi) d. 433.5 kPa (63 psi) 213. All shower compartments, regardless of shape shall have a minimum finished interior area of ____ and shall be capable of encompassing a 762 mm diameter circle. a. 0.60 sqm. b. 0.80 sqm. c. 0.70 sqm. d. 0.90 sqm. 213. All shower compartments, regardless of shape shall have a minimum finished interior area of ____ and shall be capable of encompassing a 762 mm diameter circle. a. 0.60 sqm. b. 0.80 sqm. c. 0.70 sqm. d. 0.90 sqm. 214. Copper tubing in horizontal piping shall be supported at approximately ___ interval for piping 38 mm diameter and smaller. a. 1.2 m b. 1.5 m c. 1.8 m d. 2.0 m 214. Copper tubing in horizontal piping shall be supported at approximately ___ interval for piping 38 mm diameter and smaller. a. 1.2 m b. 1.5 m c. 1.8 m d. 2.0 m 215. Copper tubing in horizontal piping shall be supported at approximately ___ interval for piping 51 mm diameter and larger. a. 3.0 m b. 1.5 m c. 1.8 m d. 2.0 m 215. Copper tubing in horizontal piping shall be supported at approximately ___ interval for piping 51 mm diameter and larger. a. 3.0 m b. 1.5 m c. 1.8 m d. 2.0 m 216. The commercial size of cast iron pipe hubtype is ____. a. 1.8 m b. 2.0 m c. 1.5 m d. 3.0 m 216. The commercial size of cast iron pipe hubtype is ____. a. 1.8 m b. 2.0 m c. 1.5 m d. 3.0 m 217. The hubless is used in lieu of the pipe when caulking and jointing of the pipe is quite difficult. The hubless pipe (cast iron) is easily joined by use of ____. a. Neoprene rubber sleeves b. Lead c. Oakum d. Solvent cement 217. The hubless is used in lieu of the pipe when caulking and jointing of the pipe is quite difficult. The hubless pipe (cast iron) is easily joined by use of ____. a. Neoprene rubber sleeves b. Lead c. Oakum d. Solvent cement 218. A pipe between the water meter to the fixtures. a. Soil pipe b. Distribution pipe c. Horizontal pipe d. Service pipe 218. A pipe between the water meter to the fixtures. a. Soil pipe b. Distribution pipe c. Horizontal pipe d. Service pipe 219. The rim over which water would spill on the floor. a. Floor level b. Flood level c. Air gap d. Air vent 219. The rim over which water would spill on the floor. a. Floor level b. Flood level c. Air gap d. Air vent 220. Water inlets to water supported aspirators shall be equipped with a listed atmospheric vacuum breaker mounted at least ____ above the aspirator unit. a. 125 mm b. 152 mm c. 200 mm d. 250 mm 220. Water inlets to water supported aspirators shall be equipped with a listed atmospheric vacuum breaker mounted at least ____ above the aspirator unit. a. 125 mm b. 152 mm c. 200 mm d. 250 mm 221. Minimum air gaps for water distribution of sinks, laundry trays, gooseneck bath, faucets and other fixtures with effective openings not greater than 19 mm in diameter. a. 55 mm b. 57 mm c. 25 mm d. 50 mm 221. Minimum air gaps for water distribution of sinks, laundry trays, gooseneck bath, faucets and other fixtures with effective openings not greater than 19 mm in diameter. a. 55 mm b. 57 mm c. 25 mm d. 50 mm 222. Supports of cast iron soil pipes shall be adequate to maintain alignment and to prevent sagging and shall be placed within ___ of the hub or joint. a. 0.65 m b. 0.55 m c. 0.5 m d. 0.45 m 222. Supports of cast iron soil pipes shall be adequate to maintain alignment and to prevent sagging and shall be placed within ___ of the hub or joint. a. 0.65 m b. 0.55 m c. 0.5 m d. 0.45 m 223. Plastic pipe shall be supported at every ____ interval. a. 0.9 m b. 1.0 m c. 1.2 m d. 1.5 m 223. Plastic pipe shall be supported at every ____ interval. a. 0.9 m b. 1.0 m c. 1.2 m d. 1.5 m 224. A stop valve place in service pipe near its connection with the water main is called? a. Service cock b. Corporation cock c. Stop cock d. Gate valve 224. A stop valve place in service pipe near its connection with the water main is called? a. Service cock b. Corporation cock c. Stop cock d. Gate valve 225. What is CS and PS means? a. Commercial Specification and Product Specification b. Commercial Standards and Product Standards c. Commercial System and Product Systems d. Commercial Sizes and Product Sizes 225. What is CS and PS means? a. Commercial Specification and Product Specification b. Commercial Standards and Product Standards c. Commercial System and Product Systems d. Commercial Sizes and Product Sizes 226. Solder and fluxes with lead content which exceeds ____ are prohibited in the piping systems used to conveyed potable water. a. 0.003 b. 0.002 c. 0.008 d. 0.001 226. Solder and fluxes with lead content which exceeds ____ are prohibited in the piping systems used to conveyed potable water. a. 0.003 b. 0.002 c. 0.008 d. 0.001 227. What is water fixture supply unit of privately use bathtub? a. 1 b. 2 c. 3 d. 4 227. What is water fixture supply unit of privately use bathtub? a. 1 b. 2 c. 3 d. 4 228. Potable water inlet to gravity tank shall be controlled by a ___ float switch or electrode type of level water level control to prevent the tank from overflow. a. Foot valve b. Float valve c. Check valve d. Gate valve 228. Potable water inlet to gravity tank shall be controlled by a ___ float switch or electrode type of level water level control to prevent the tank from overflow. a. Foot valve b. Float valve c. Check valve d. Gate valve 229. When potable water is discharge to the drainage system, it shall be by means of approved air gap of 2 pipe size diameter from the supply of the outlet and top surface of the drainage inlet, but in no case shall be less than ____. a. 25 mm b. 50 mm c. 32 mm d. 55 mm 229. When potable water is discharge to the drainage system, it shall be by means of approved air gap of 2 pipe size diameter from the supply of the outlet and top surface of the drainage inlet, but in no case shall be less than ____. a. 25 mm b. 50 mm c. 32 mm d. 55 mm 230. When shower receptors are built above ground, the sub floor and rough side of walls to a height of no less than ____ above the top of the finished dam or threshold shall be first lined. a. 25 mm b. 75 mm c. 102 mm d. 38 mm 230. When shower receptors are built above ground, the sub floor and rough side of walls to a height of no less than ____ above the top of the finished dam or threshold shall be first lined. a. 25 mm b. 75 mm c. 102 mm d. 38 mm 231. Fittings on screwed pipe joints shall be of the _____ drainage type. a. Corner recessed b. Recessed c. Stall d. Pedestal 231. Fittings on screwed pipe joints shall be of the _____ drainage type. a. Corner recessed b. Recessed c. Stall d. Pedestal 232. Another term for interceptor. a. Basin b. Clarifier c. Calorimeter d. Calorifier 232. Another term for interceptor. a. Basin b. Clarifier c. Calorimeter d. Calorifier 233. If the vent is near any doors, window, air shall or scuttle of a building. It should be extend over the highest opening by these much. a. 3 ft b. 2 ft c. 5 ft d. 6 ft 233. If the vent is near any doors, window, air shall or scuttle of a building. It should be extend over the highest opening by these much. a. 3 ft (0.9m) b. 2 ft c. 5 ft d. 6 ft 234. Drainage fittings shall be: a. Cast iron & malleable iron b. Lead, brass & copper c. ABS, PVC and vitrified clay d. All of the above 234. Drainage fittings shall be: a. Cast iron & malleable iron b. Lead, brass & copper c. ABS, PVC and vitrified clay d. All of the above 235. Urinal shall not be closer to ____ center to center distance. a. 0.6 m b. 0.75 m c. 0.5 m d. 0.4 m 235. Urinal shall not be closer to ____ center to center distance. a. 0.6 m b. 0.75 m c. 0.5 m d. 0.4 m 236. The minimum size of cleanout allowed to serve a 4” drain line is? a. 3 ½” b. 2” c. 3” d. 4” 236. The minimum size of cleanout allowed to serve a 4” drain line is? a. 3 ½” b. 2” c. 3” d. 4” 237. The distance between trap and vent should not more than? a. 5 ft b. 3 ft c. 4 ft d. 6 ft 237. The distance between trap and vent should not more than? a. 5 ft (1.5 m) b. 3 ft c. 4 ft d. 6 ft 238. The maximum trap loading for a 4” diameter pipe shall be: a. 4 DFU b. 6 DFU c. 8 DFU d. 10 DFU 238. The maximum trap loading for a 4” diameter pipe shall be: a. 4 DFU b. 6 DFU c. 8 DFU d. 10 DFU 239. The maximum of water closets on a 3 inch stack is? a. Six b. Three c. Four d. Two 239. The maximum of water closets on a 3 inch stack is? a. Six b. Three c. Four d. Two 240. The maximum trap loading for a 2” trap is? a. 1 unit b. 2 units c. 4 units d. 8 units 240. The maximum trap loading for a 2” trap is? a. 1 unit b. 2 units c. 4 units d. 8 units 241. The maximum trap loading for a 3” trap is? a. 6 unit b. 2 units c. 4 units d. 8 units 241. The maximum trap loading for a 3” trap is? a. 6 unit b. 2 units c. 4 units d. 8 units 242. The trap and trap arm size of a wash basin in sets shall be: a. 38 mm b. 32 mm c. 51 mm d. 76 mm 242. The trap and trap arm size of a wash basin in sets shall be: a. 38 mm b. 32 mm c. 51 mm d. 76 mm 243. The trap and trap arm size of an interceptor for grease, oil and etc shall be: a. 38 mm b. 51 mm c. 76 mm d. 102 mm 243. The trap and trap arm size of an interceptor for grease, oil and etc shall be: a. 38 mm b. 51 mm c. 76 mm d. 102 mm 244. The trap and trap arm size of an interceptor for sand, auto wash and etc shall be: a. 38 mm b. 51 mm c. 76 mm d. 102 mm 244. The trap and trap arm size of an interceptor for sand, auto wash and etc shall be: a. 38 mm b. 51 mm c. 76 mm d. 102 mm 245. For a continuous flow into a drainage system, such as from sump pump or ejector, air conditioning equipment or similar devices, _____ shall be allowed for every 0.063 lps of flow. a. 1 DFU b. 2 DFU c. 0.5 DFU d. 3 DFU 245. For a continuous flow into a drainage system, such as from sump pump or ejector, air conditioning equipment or similar devices, _____ shall be allowed for every 0.063 lps of flow. a. 1 DFU b. 2 DFU c. 0.5 DFU d. 3 DFU 246. Trap sizes shall not be increased to a point where the fixture discharge may be inadequate to maintain their self-scouring properties. a. False b. True c. Maybe d. Need approval to AA 246. Trap sizes shall not be increased to a point where the fixture discharge may be inadequate to maintain their self-scouring properties. a. False b. True c. Maybe d. Need approval to AA 247. Cleanouts shall be provided for a pressure drainage systems. a. True b. False c. May be d. Need approval to AA 247. Cleanouts shall be provided for a pressure drainage systems. a. True b. False c. May be d. Need approval to AA 248. According to existing plumbing code; cast iron pipes, weld steel pipes, vitrified clay, concrete and asbestos pipe shall conform to? a. ANSI b. AWWA c. ASTM d. IAPMO 248. According to existing plumbing code; cast iron pipes, weld steel pipes, vitrified clay, concrete and asbestos pipe shall conform to? a. ANSI b. AWWA c. ASTM d. IAPMO 249. The valve for controlling two or more outlet, is a cold water supply lines may be? a. Heavy Duty Gate Valve b. Full Gate Valve c. Non-rising Globe Valve d. Ground Key Valve 249. The valve for controlling two or more outlet, is a cold water supply lines may be? a. Heavy Duty Gate Valve b. Full Gate Valve c. Non-rising Globe Valve d. Ground Key Valve 250. Fixtures outlets shall not be connected to the horizontal excreta drainage piping system within ____ of any vertical to horizontal change of direction of a stack containing suds-producing fixtures. a. 2.2 m b. 2.3 m c. 2.4 m d. 2.5 m 250. Fixtures outlets shall not be connected to the horizontal excreta drainage piping system within ____ of any vertical to horizontal change of direction of a stack containing suds-producing fixtures. a. 2.2 m b. 2.3 m c. 2.4 m d. 2.5 m 251. The maximum slope of 3” horizontal pipe shall not be less than; a. 3/4 in/ft b. 1/8 in/ft c. 1 in/ft d. 1/4 in/ft 251. The maximum slope of 3” horizontal pipe shall not be less than; a. 3/4 in/ft b. 1/8 in/ft c. 1 in/ft d. 1/4 in/ft 252. A tank shall be maintained an air pressure of not less than 3 kg for each meter of height the sewage is raised. a. Overhead tank b. Dosing tank c. Air tank d. LPG tank 252. A tank shall be maintained an air pressure of not less than 3 kg for each meter of height the sewage is raised. a. Overhead tank b. Dosing tank c. Air tank d. LPG tank 253. The minimum size of any pump discharge or any discharge pipe from a sump having a water closet connected thereto shall not be less than _____ diameter. a. 38 mm b. 50.8 mm c. 76 mm d. 102 mm 253. The minimum size of any pump discharge or any discharge pipe from a sump having a water closet connected thereto shall not be less than _____ diameter. a. 38 mm b. 50.8 mm c. 76 mm d. 102 mm 254. The trap of the floor drain shall be placed not more than ____ below the finished floor line, to facilitate cleaning in case of line trouble. a. 200 mm b. 400 mm c. 500 mm d. 300 mm 254. The trap of the floor drain shall be placed not more than ____ below the finished floor line, to facilitate cleaning in case of line trouble. a. 200 mm b. 400 mm c. 500 mm d. 300 mm 255. Recommended minimum size of the P-trap for floor drain is? a. 2” b. 3” c. 4” d. 1 ½” 255. Recommended minimum size of the P-trap for floor drain is? a. 2” b. 3” c. 4” d. 1 ½” 256. Installed at the bottom portion of the soil stack where the house drain is connected to receive the discharge from aerator? a. Aerator b. Deaerator c. Sovent system d. Single stack system 256. Installed at the bottom portion of the soil stack where the house drain is connected to receive the discharge from aerator? a. Aerator b. Deaerator c. Sovent system d. Single stack system 257. Used as a terminal of the soil branch in each floor? a. Aerator b. Deareator c. Sovent system d. Single stack system 257. Used as a terminal of the soil branch in each floor? a. Aerator b. Deareator c. Sovent system d. Single stack system 258. Always located near the stairs for use by firemen in case of fire? a. Standpipe b. Hydro pneumatic pump c. Fire hose d. Fire tank 258. Always located near the stairs for use by firemen in case of fire? a. Standpipe b. Hydro pneumatic pump c. Fire hose d. Fire tank 259. It considers the building density in the locality and flammability of the structures and its content. a. Civil code b. Fire protection code c. Fire code d. Fire suppression code 259. It considers the building density in the locality and flammability of the structures and its content. a. Civil code b. Fire protection code c. Fire code d. Fire suppression code 260. A vertical pipe usually used for the storage of water frequently under pressure. a. Vent pipe b. Vertical pipe c. Stand pipe d. Waste pipe 260. A vertical pipe usually used for the storage of water frequently under pressure. a. Vent pipe b. Vertical pipe c. Stand pipe d. Waste pipe 261. Minimum of number of water closet required at Office 20 persons for employee use? a. 1 b. 2 c. 3 d. 4 261. Minimum of number of water closet required at Office 20 persons for employee use? a. 1 b. 2 c. 3 d. 4 262. Minimum of number of water closet required at elementary school for 35 females? a. 1 b. 2 c. 3 d. 4 262. Minimum of number of water closet required at elementary school for 35 females? a. 1 b. 2 c. 3 d. 4 263. When a backflow prevention device does not bear a critical level marking, the part of the device that shall constitute the critical level is the ____. a. Top b. Bottom c. Center d. Outlet invert 263. When a backflow prevention device does not bear a critical level marking, the part of the device that shall constitute the critical level is the ____. a. Top b. Bottom c. Center d. Outlet invert 264. Disposal of sewage, or other liquid waste shall be by means of ____. a. Chemical toilets b. Sewage retaining tanks c. Drainage system of the building d. Subsurface leaching pits 264. Disposal of sewage, or other liquid waste shall be by means of ____. a. Chemical toilets b. Sewage retaining tanks c. Drainage system of the building d. Subsurface leaching pits 265. roofs, inner courts, vent shafts, light wells or similar areas having drains shall discharge to (a) ____. a. Sanitary sewage system b. Private sewage disposal system c. Sump with pump discharge into the house drain d. Outside of the building or gutter 265. Roofs, inner courts, vent shafts, light wells or similar areas having drains shall discharge to (a) ____. a. Sanitary sewage system b. Private sewage disposal system c. Sump with pump discharge into the house drain d. Outside of the building or gutter 266. The organization, office, or individual responsible for enforcing the requirements of a code or standard is the _____. a. Administrative authority b. Building department c. Plumbing inspector d. Authority having jurisdiction 266. The organization, office, or individual responsible for enforcing the requirements of a code or standard is the _____. a. Administrative authority b. Building department c. Plumbing inspector d. Authority having jurisdiction 267. A mechanical device used to circulate hot water to the plumbing system? a. Overhead feed b. Upfeed c. Pump circuit d. Hot water 267. A mechanical device used to circulate hot water to the plumbing system? a. Overhead feed b. Upfeed c. Pump circuit d. Hot water 268. Used on a smaller distribution system 6 m or less for elevating water wells or other sources. a. Piston pump b. Centrifugal pump c. Water pump d. Pumping station 268. Used on a smaller distribution system 6 m or less for elevating water wells or other sources. a. Piston pump b. Centrifugal pump c. Water pump d. Pumping station 269. It is inserted into the water main and it serves as the control of the water service. a. Curb stop b. Corporation stop c. Water stop d. Meter stop 269. It is inserted into the water main and it serves as the control of the water service. a. Curb stop b. Corporation stop c. Water stop d. Meter stop 270. Piping, fixtures or equipment that are installed so that they interfere with normal operation and use of windows or doors shall be ____. a. Protected from damage b. Identified for restricted use c. Relocate to avoid interference d. Approved if acceptable by the owner 270. Piping, fixtures or equipment that are installed so that they interfere with normal operation and use of windows or doors shall be ____. a. Protected from damage b. Identified for restricted use c. Relocate to avoid interference d. Approved if acceptable by the owner 271. The valve for controlling two or more outlet in a cold water supply line may be a? a. Heavy duty gate valve b. Full way gate valve c. Ground key valve d. Non-rising stem globe valve 271. The valve for controlling two or more outlet in a cold water supply line may be a? a. Heavy duty gate valve b. Full way gate valve c. Ground key valve d. Non-rising stem globe valve 272. Refers to the pressure range measured over a period of 24 hours. a. Static pressure b. Residual pressure c. Normal pressure d. Critical pressure 272. Refers to the pressure range measured over a period of 24 hours? a. Static pressure b. Residual pressure c. Normal pressure d. Critical pressure 273. Air pressure in drainage pipes greater than atmospheric pressure. a. Normal pressure b. Standard pressure c. Back pressure d. Self-siphonage 273. Air pressure in drainage pipes greater than atmospheric pressure. a. Normal pressure b. Standard pressure c. Back pressure d. Self-siphonage 274. Refers to an individual who worked in the sanitary field of ancient Rome. a. Plumbum b. Plumber c. Plumbarius d. Plumbob 274. Refers to an individual who worked in the sanitary field of ancient Rome. a. Plumbum b. Plumber c. Plumbarius d. Plumbob 275. It shall be the minimum cross-sectional area at the seat of the control valve or the supply pipe or tubing which feeds the device or outlet. a. Window opening b. Roof drain c. Effective opening d. Airgap 275. It shall be the minimum cross-sectional area at the seat of the control valve or the supply pipe or tubing which feeds the device or outlet. a. Window opening b. Roof drain c. Effective opening d. Airgap 276. Airgap less than 25 mm shall only be approved as a permanent part of a listed assembly that has been tested under actual backflow conditions with vacuums of from? a. 0 to 63.5 cm of mercury b. 0 to 65.3 cm of mercury c. 5 to 63.5 cm of mercury d. 5 to 65.3 cm of mercury 276. Airgap less than 25 mm shall only be approved as a permanent part of a listed assembly that has been tested under actual backflow conditions with vacuums of from? a. 0 to 63.5 cm of mercury b. 0 to 65.3 cm of mercury c. 5 to 63.5 cm of mercury d. 5 to 65.3 cm of mercury 277. Upright position, has a minimum of 150 mm or listed distance above all downstream piping and flood level rim of receptor as a function of device assembly. a. Atmospheric vacuum breaker b. Double check valve backflow preventer (DC) c. Reduced Pressure Principle Backflow Preventer (RP) d. Spill Proof Pressure Type Vacuum Breaker 277. Upright position, has a minimum of 150 mm or listed distance above all downstream piping and flood level rim of receptor as a function of device assembly. a. Atmospheric vacuum breaker b. Double check valve backflow preventer (DC) c. Reduced Pressure Principle Backflow Preventer (RP) d. Spill Proof Pressure Type Vacuum Breaker 278. As a function, it requires 30.5 cm minimum clearance at bottom for maintenance. May need platform/ladder for test and repair. May discharge water. a. Atmospheric vacuum breaker b. Double check valve backflow preventer (DC) c. Reduced Pressure Principle Backflow Preventer (RP) d. Spill Proof Pressure Type Vacuum Breaker 278. As a function, it requires 30.5 cm minimum clearance at bottom for maintenance. May need platform/ladder for test and repair. May discharge water. a. Atmospheric vacuum breaker b. Double check valve backflow preventer (DC) c. Reduced Pressure Principle Backflow Preventer (RP) d. Spill Proof Pressure Type Vacuum Breaker 279. As a function it requires 30.5 cm minimum clearance at bottom for maintenance. May need platform/ladder for test and repair. Does not discharge water. a. Atmospheric vacuum breaker b. Double check valve backflow preventer (DC) c. Reduced Pressure Principle Backflow Preventer (RP) d. Spill Proof Pressure Type Vacuum Breaker 279. As a function it requires 30.5 cm minimum clearance at bottom for maintenance. May need platform/ladder for test and repair. Does not discharge water. a. Atmospheric vacuum breaker b. Double check valve backflow preventer (DC) c. Reduced Pressure Principle Backflow Preventer (RP) d. Spill Proof Pressure Type Vacuum Breaker 280. A general requirement, where access and clearance shall require minimum of ____ space between the lowest portion of the assembly and the grade, floor or platform. a. 300 mm b. 305 mm c. 310 mm d. 320 mm 280. A general requirement, where access and clearance shall require minimum of ____ space between the lowest portion of the assembly and the grade, floor or platform. a. 300 mm b. 305 mm c. 310 mm d. 320 mm 281. An approved atmospheric vacuum breaker is installed not less than ____ above the flood level rim of such trapped fixture, so that at no time will any such device be subjected to any backpressure. a. 125 mm b. 152 mm c. 205 mm d. 305 mm 281. An approved atmospheric vacuum breaker is installed not less than ____ above the flood level rim of such trapped fixture, so that at no time will any such device be subjected to any backpressure. a. 125 mm b. 152 mm c. 205 mm d. 305 mm 282. Water closet and urinal tanks shall be equipped with a listed ball cock shall be installed with the critical level at least ____ above the full opening of the overflow pipe. a. 20 mm b. 25 mm c. 32 mm d. 38 mm 282. Water closet and urinal tanks shall be equipped with a listed ball cock shall be installed with the critical level at least ____ above the full opening of the overflow pipe. a. 20 mm b. 25 mm c. 32 mm d. 38 mm 283. Water closet flushometer tanks shall be protected against backflow by an approved ______, device or method. a. Backflow prevention assembly b. P-trap c. Water seal d. Backwater valve 283. Water closet flushometer tanks shall be protected against backflow by an approved ______, device or method. a. Backflow prevention assembly b. P-trap c. Water seal d. Backwater valve 284. Water supply inlets not protected by atmospheric vacuum breakers shall be protected by approved _____. a. Airgap b. Shock arrester c. Safety valve d. Ball cock 284. Water supply inlets not protected by atmospheric vacuum breakers shall be protected by approved _____. a. Airgap b. Shock arrester c. Safety valve d. Ball cock 285. Potable water outlet with hose attachments other than water heater drains and clothes washer connections shall be protected by a listed _______or by a listed atmospheric vacuum breaker. a. Non-removable hosebibb-type backflow preventer b. Removable hosebibb-type backflow preventer c. General hosebibb-type backflow preventer d. Updated hosebibb-type backflow preventer 285. Potable water outlet with hose attachments other than water heater drains and clothes washer connections shall be protected by a listed _______or by a listed atmospheric vacuum breaker. a. Non-removable hosebibb-type backflow preventer b. Removable hosebibb-type backflow preventer c. General hosebibb-type backflow preventer d. Updated hosebibb-type backflow preventer 286. A device that shall not be located in any area containing fumes that are toxic, poisonous and corrosive. a. Backflow preventer b. Backwater valve c. Back-siphonage d. Backflow connection 286. A device that shall not be located in any area containing fumes that are toxic, poisonous and corrosive. a. Backflow preventer b. Backwater valve c. Back-siphonage d. Backflow connection 287. Where a grounding system, acceptable to the AA is installed, inspected and approved metallic pipe may be replaced with? a. Non-ferrous pipe b. Non-metallic pipe c. Fittings and adaptor d. Standard pipe 287. Where a grounding system, acceptable to the AA is installed, inspected and approved metallic pipe may be replaced with? a. Non-ferrous pipe b. Non-metallic pipe c. Fittings and adaptor d. Standard pipe 288. Elevated or gravity tank vent shall be screened with a fine corrosion-resistant screen with openings not less than _____. a. 14-18 mess per 25 mm b. 14-18 mess per 32 mm c. 10-15 mess per 25 mm d. 10-15 mess per 32 mm 288. Elevated or gravity tank vent shall be screened with a fine corrosion-resistant screen with openings not less than _____. a. 14-18 mess per 25 mm b. 14-18 mess per 32 mm c. 10-15 mess per 25 mm d. 10-15 mess per 32 mm 289. In water distribution system, it shall be installed on the water heating system in an approved location based on its listing requirements and the manufacturer’s instructions. a. CT & PRV b. DC & PRV c. RP & CT d. PRV & RP 289. In water distribution system, it shall be installed on the water heating system in an approved location based on its listing requirements and the manufacturer’s instructions. a. CT & PRV (Combination Temp.& Pres.Relief Valve) b. DC & PRV c. RP & CT d. PRV & RP 290. In water piping, it shall provide equivalent protection and application is restricted to those short pipe lengths at point of connection with fittings necessarily stripped fro threading and jointing. a. Field bitumastic coating and wrapping b. Appoved gout coating c. Rubber insulation d. Red oxide paint 290. In water piping, it shall provide equivalent protection and application is restricted to those short pipe lengths at point of connection with fittings necessarily stripped fro threading and jointing. a. Field bitumastic coating and wrapping b. Appoved gout coating c. Rubber insulation d. Red oxide paint 291. Unions shall be installed in the water supply piping within _____ away from regulating equipment, water heater, conditioning tank and similar equipment. a. ½ ft b. 1 ft c. 2 ft d. 3 ft 291. Unions shall be installed in the water supply piping within _____ away from regulating equipment, water heater, conditioning tank and similar equipment. a. ½ ft b. 1 ft c. 2 ft d. 3 ft 292. No water filter, water softener, backflow prevention device or similar devices regulated by this Code shall be installed in any potable water supply piping when the diameter of the inlet and/or outlet of nay device or its connecting pipings are less than the diameter of the water supply distribution piping. a. True b. False 292. No water filter, water softener, backflow prevention device or similar devices regulated by this Code shall be installed in any potable water supply piping when the diameter of the inlet and/or outlet of nay device or its connecting pipings are less than the diameter of the water supply distribution piping. a. True b. False 293. In water piping, it shall not compress, distort cut or abrade the piping and shall allow free movement of pipe. a. Hangers & straps b. Hanger rod and angle bar c. Water pipe d. Thrust blocking 293. In water piping, it shall not compress, distort cut or abrade the piping and shall allow free movement of pipe. a. Hangers & straps b. Hanger rod and angle bar c. Water pipe d. Thrust blocking 294. It shall be tightly fastened with corrosive resistant fasteners up to the floor with top surface ¼ inch (6.4 mm) above finish floor. a. Neoprene gaskets b. Closet rings c. Closet flange d. Teflon tape 294. It shall be tightly fastened with corrosive resistant fasteners up to the floor with top surface ¼ inch (6.4 mm) above finish floor. a. Neoprene gaskets b. Closet rings c. Closet flange d. Teflon tape 295. It shall be installed at all changes in direction as tees and bends, change in size as reducers, stops as a dead ends and valves. a. Fittings b. Hangers & Supports c. Thrust blocking d. Cleanouts 295. It shall be installed at all changes in direction as tees and bends, change in size as reducers, stops as a dead ends and valves. a. Fittings b. Hangers & Supports c. Thrust blocking d. Cleanouts 296. The result estimating continuous supply demands in LPS for lawn sprinklers, air conditioners, etc, and add the sum to the total demand for fixtures. a. Estimated supply demands b. Estimated peak load demand c. Permissible friction loss d. Pressure losses 296. The result estimating continuous supply demands in LPS for lawn sprinklers, air conditioners, etc, and add the sum to the total demand for fixtures. a. Estimated supply demands b. Estimated peak load demand c. Permissible friction loss d. Pressure losses 297. In WSFU, the weights for maximum separate demands may be taken as _____ of the listed demand for the supply. a. 50% b. 75% c. 80% d. 100% 297. In WSFU, the weights for maximum separate demands may be taken as _____ of the listed demand for the supply. a. 50% b. 75% c. 80% d. 100% 298. In sizing water supply system, velocities shall not exceed _____ of the maximum values given in the appropriate installation standard. a. 5 m/s b. 3 m/s c. 8 m/s d. 1 m/s 298. In sizing water supply system, velocities shall not exceed _____ of the maximum values given in the appropriate installation standard. a. 5 m/s b. 3 m/s c. 8 m/s d. 1 m/s 299. Hot water piping system over ____ shall be provided with backflow preventer designed to operate without rendering any portion of the assembly inoperative. a. 110⁰F b. 120⁰F c. 105⁰F d. 130⁰F 299. Hot water piping system over ____ shall be provided with backflow preventer designed to operate without rendering any portion of the assembly inoperative. a. 110⁰F b. 120⁰F c. 105⁰F d. 130⁰F 300. PEX tubing shall be installed not less than ___ from the water heater. a. 16” b. 18” c. 20” d. 24” 300. PEX tubing shall be installed not less than ___ from the water heater. a. 16” b. 18” c. 20” d. 24”