BGas PAINTING INSPECTION
SCREEN TEST
BGas PAINTING INSPECTION
QUESTION
1
Two examples of Hygroscopic Salts would be:
(a)
(b)
(c)
(d)
Iron Phosphates and Iron Chromates
Iron Chlorates and Iron Oxides
Iron Sulphates and Iron Chlorides
Iron Sulphides and Iron Silicates
BGas PAINTING INSPECTION
QUESTION
2
What is an electrolyte?
(a)
It is a mixture of salts and water
(b)
A substance which will conduct electricity and
cause rusting
(c)
Oxidising liquid which will attack steel
(d)
A substance which will conduct a current and
be broken down by it
BGas PAINTING INSPECTION
QUESTION
3
Corrosion is defined as:
(a)
(b)
(c)
(d)
Rusting of the Cathode by electrophysical
means
Oxidation of a metal in contact with water
Degradation of a material by chemical or
electrochemical means
Breakdown of the metal by hydrogen
BGas PAINTING INSPECTION
QUESTION
4
Hydrogen is evolved at:
(a)
(b)
(c)
(d)
The Anode at all times
The Cathode as corrosion takes place
The Cathode in the form of hydrogen gas
The Anode as corrosion takes place
BGas PAINTING INSPECTION
QUESTION
5
Which Blasting Grade best describes
“Thorough Blast cleaning”?
(a)
(b)
(c)
(d)
Sa 2
Sa 2½
Sa 3
Sa 1
BGas PAINTING INSPECTION
QUESTION
6
What is the minimum standard of surface cleanliness
specified by SPA1 of BGC/PS/PA 10?
a) Rust Grade C
b) St 3
c) Sa 2 1/2
d) 30 to 75 microns
BGas PAINTING INSPECTION
QUESTION
7
In a corrosion Circuit, Electrons flow from:
a) Anode to Cathode, via Electrolyte
b) Positive to Negative
c) Electrolyte to Steel
d) Cathode to Anode, via Electrolyte
BGas PAINTING INSPECTION
QUESTION
8
Rust Grade A can be described as:
(a) Tightly adhering Millscale, with evident heavy
pitting
(b) Clean white metal
(c) Tightly adhering Millscale, with no apparent
corrosion
(d) Millscale which has begun to flake, or can be
scraped away
BGas PAINTING INSPECTION
QUESTION
9
Abrasive used on site for British Gas projects must be:
a)
b)
c)
d)
Mixed with sand, to reduce cost
Dried in an oven prior to use
Expendable
Used up to a maximum of three times only.
BGas PAINTING INSPECTION
QUESTION
10
Which is the more noble metal:
A) Steel
B) Aluminium
C) Magnesium
D) Tin
BGas PAINTING INSPECTION
QUESTION
11
Millscale is made up of which three oxide compounds?
A) Rust, Iron oxide, and Scale
B) RSJ, RSC, and RSA
C) Wustite, Magnetite, and Haematite
D) Iron Sulphate, Iron Chloride, and Iron Phosphate
BGas PAINTING INSPECTION
QUESTION
12
Two factors to be considered when inspecting a
Surface Preparation, are:
A) Cleanliness and Roughness
B) Rust Grade and material type
C) Abrasive type and Time
D) Surface area and type of contamination
BGas PAINTING INSPECTION
QUESTION
13
The Galvanic List is also known as:
A) The Metallic Corrosion Potential Chart
B) The Electromotive Forces Series
C) The Element Forces Order
D) The Electronic Chemical Series
BGas PAINTING INSPECTION
QUESTION
14
When using a Venturi Nozzle at 100psi, the abrasive
exits at approximately what speed?
A) 200 mph
B) 450 mph
C) 1200 mph
D) 100 mph
BGas PAINTING INSPECTION
QUESTION
15
At the beginning of the corrosion process the iron
atom changes it’s polarity from: Neutral to Positive.
Neutral to Negative
Positive to Negative.
Positive to Neutral
BGas PAINTING INSPECTION
QUESTION
16
The thickness of Millscale is approximately:
(a)
(b)
(c)
(d)
25 μm to 100 μm
100 to 150 μm
zero
Dependant upon the material thickness
BGas PAINTING INSPECTION
QUESTION
17
‘The force required to separate two surfaces in
contact’, can also be termed:
A) Viscosity
B) Profile
C) Adhesion
D) Blasting
BGas PAINTING INSPECTION
QUESTION
18
Blasting in one area for too long, produces what?
A) Hackles
B) Rogue Peaks
C) Slivers
D) Laminations
BGas PAINTING INSPECTION
QUESTION
19
Metallic Shot also has which affect upon the material?
A) Stress relieves
B) Physically deforms
C) Work hardens
D) Causes Slivers
BGas PAINTING INSPECTION
QUESTION
20
What is the main cause of flash rusting on a substrate?
A) Rogue Peaks
B) Oxygen
C) Hackles
D) Hygroscopic Salts
BGas PAINTING INSPECTION
QUESTION
21
What is the main advantage of using ‘Testex’ papers for
surface profile measurement?
A) It also measures cleanliness
B) Most accurate over a large area
C) Easy to use
D) Permanent record
BGas PAINTING INSPECTION
QUESTION
22
Which of the following could be classified as a major
cause of microbial corrosion:
A) Sulphur Eating Metal
B) Sulphur Reducing Bacteria
C) Rust inhibitive salts
D) Iron Phosphates
BGas PAINTING INSPECTION
QUESTION
23
Three factors which accelerate the rate of corrosion are:
a) Temperature, Time, and Coating system
b) Bi-metallic contact, Hygroscopic Salts, and Bacteria
c) Coating system, Pipe diameter, and Ultra Violet light
d) Blasting Grades, Rust Grades, and Surface Profile
BGas PAINTING INSPECTION
QUESTION
24
How many Abrasive Blast Cleaning photographs
are in BS 7079 part A?
(a)
(b)
(c)
(d)
4
14
8
16
BGas PAINTING INSPECTION
QUESTION
25
British Gas PA 10 specifies a surface profile of:
A) 30 microns to 75 microns
B) 100 microns to 150 microns
C) 10 microns to 40 microns
D) More than 90 microns
BGas PAINTING INSPECTION
QUESTION
26
Which of the following is Rust Grade C?
A) Tightly adhering Millscale which can be brushed clean
B) Loosely adhering Millscale with no evident pitting
C) Millscale almost totally removed, visible rust, no heavy
pitting
D) Heavy pitting clearly visible, heavy corrosion
BGas PAINTING INSPECTION
QUESTION
27
The optimum pressure to achieve 100% efficiency in
abrasive blast cleaning is?
A) 75 psi
B) 450 psi
C) 100 psi
D) 220 psi
BGas PAINTING INSPECTION
QUESTION
28
Sand is not permitted as a dry blast abrasive, as
directed by:
A) BGC/PS/PA10
B) BS 7079 Part A
C) COSHH
D) BS 410
BGas PAINTING INSPECTION
QUESTION
29
How many times can Garnet be used as an abrasive
for BGas site use?
A) Up to 3 times, if cleaning of abrasive is possible
B) None
C) As per the specification.
D) 20 times
BGas PAINTING INSPECTION
QUESTION
30
The correct ratio of a “working mix” would be:
A) 70-80% Grit : 20-30% Shot
B) 50% Grit :50% Shot
C) 70-80% Shot : 20-30% Grit
D) 20-25% Sand : 75-80% Copper Slag
BGas PAINTING INSPECTION
QUESTION
31
Flame cleaning uses which mechanisms?
A) Expansion, Decontamination, and Force
B) Oxidation, Penetration, and De-lamination
C) Heat Penetration, Expansion, and Dehydration
D) Oxidation, Weathering, and Pressurisation
BGas PAINTING INSPECTION
QUESTION
32
Carbon Impregnated hoses are used to:
A) Create static electricity
B) Prevent Static electricity
C) Reduce Friction
D) Reduce static electricity
BGas PAINTING INSPECTION
QUESTION
33
One of the most important safety items of equipment in
abrasive blasting is:
A) Dry abrasive mix
B) The banana gauge
C) Dead mans handle
D) 100 psi compressor
BGas PAINTING INSPECTION
QUESTION
34
What is the approximate speed of the abrasive particles
exiting a wheelabrator?
A) 450 mph
B) 220 mph
C) Mach 3
D) 100 psi
BGas PAINTING INSPECTION
QUESTION
35
Where would you normally use a comparator gauge?
A) To check surface cleanliness
B) To determine surface roughness
C) To control cleaning of abrasives
D) To assess the rust grade of a material
BGas PAINTING INSPECTION
QUESTION
36
“Amplitude” refers to what?
A) The ‘peak-to-trough’ height of a blast profile
B) The amount of noise a blasting operation creates
C) the velocity of the abrasive particles
D) the roughness of an abrasive particle
BGas PAINTING INSPECTION
QUESTION
37
What is the material used in surface replica tape,
used to measure profile?
A) Mylex
B) Testrex
C) Mylar
D) Mylon
BGas PAINTING INSPECTION
QUESTION
38
Using the correct calibration shim, a banana gauge
can be calibrated on:
A) Bare steel
B) Painted surfaces
C) Steel with a blast cleaned surface.
D) Any metal surface
BGas PAINTING INSPECTION
QUESTION
39
The test for the presence of Hygroscopic Salts, is:
A) Potassium Hexacyanoferrate test
B) Copper Sulphate test
C) Iron Phosphate test
D) Iron Chromate test
BGas PAINTING INSPECTION
QUESTION
40
How many photographs of flame cleaning standards are
shown in BS 7079 Part A?
A) 4
B) 14
C) 8
D) 16
BGas PAINTING INSPECTION
QUESTION
41
Which abrasive has the effect of stress relieving the
substrate?
A) Copper Slag
B) Metallic Shot
C) Steel Grit
D) Garnet
BGas PAINTING INSPECTION
QUESTION
42
Where would it be advisable to use Steel Grit as an
abrasive?
A) When a deep profile is required
B) On high pressure pipework
C) In enclosed blasting units
D) On offshore installations
BGas PAINTING INSPECTION
QUESTION
43
What is the minimum number of readings required for a
Dial Micrometer?
A) Minimum of 10
B) Minimum of 12
C) One only
D) As many as you wish, but the average reading is
recorded
BGas PAINTING INSPECTION
QUESTION
44
Which test would be used to determine for soluble salts in a
marine environment?
A) Potassium Hexacyanoferrate
B) Copper Sulphate
C) Iron Phosphate
D) Silver Nitrate
BGas PAINTING INSPECTION
QUESTION
45
The standard for the test sieves used for the sizing of
abrasives is:
A) BS 7079 Part A
B) BS 410
C) BGC / PS / PA10
D) SI 1657
BGas PAINTING INSPECTION
QUESTION
46
The most common type of abrasive used for BGas
site work is:
A) Copper Slag
B) Grit & Shot mix
C) Garnet
D) Metallic Shot
BGas PAINTING INSPECTION
QUESTION
47
Compared to a Venturi Nozzle, a Straight Bore
Nozzle would give:
A) Better paint application
B) More speed
C) larger area coverage
D) Greater accuracy
BGas PAINTING INSPECTION
QUESTION
48
Anchor Pattern, Key, Peak-to-trough, are names given
to what?
A) The abrasive properties
B) the cross section of a blast
C) The total area of blasted substrate
D) The potential of adhesion
BGas PAINTING INSPECTION
QUESTION
49
What is a “knock out pot”?
A) A drum used for mixing paint and thinners
B) The area on the equipment where static electricity
can build up and be hazardous
C) A vessel for removing oil and moisture from the air
stream
D) A container where any blockages of the nozzle can
be tapped free
BGas PAINTING INSPECTION
QUESTION
50
High Pressure wet blasting operates up to which pressure?
A) 100 psi
B) 450 psi
C) 30,000 psi
D) 2,250 mph
BGas PAINTING INSPECTION
QUESTION
51
Which of the following is not a drying mechanism?
a) Coalescence
b) Oxidation
c) Stove drying
d) Chemical curing
BGas PAINTING INSPECTION
QUESTION
52
A solution is:
a) The resultant liquid in a polymerisation event
b) The resultant liquid after dispersing a solid
c) The resultant liquid after dissolving a material in
another liquid
d) The resultant liquid after dispersing a liquid in
another liquid
BGas PAINTING INSPECTION
QUESTION
Which of the following is a natural oil?
a) Dammar
b) Alkyd
c) Castor
d) Xylene
53
BGas PAINTING INSPECTION
QUESTION
54
Which of the following are said to be “reversible”?
A) Cross-Linked Polymer
B) Branched Polymer
C) Linear Polymer
D) Convertible coating
BGas PAINTING INSPECTION
QUESTION
55
Which of the following are Quantitative tests?
a) Potassium Hexacyanoferrate
b) Copper Sulphate
c) Silver Nitrate test
d) Bresle Sample Patch
BGas PAINTING INSPECTION
QUESTION
56
A Whirling Hygrometer is also called a :
a) Pfund Cryptometer
b) A Psychrometer
c) A Pyknometer
d) A Rotational Viscometer
BGas PAINTING INSPECTION
QUESTION
57
What is the meaning of “compliant”?
a)
b)
c)
d)
In accordance with PA 10
In accordance with Environmental Protection Act
As per engineers instructions
As per manufacturers recommendations
BGas PAINTING INSPECTION
QUESTION
58
What is the recommended stand-off distance and
speed at which the abrasive leaves a Venturi
Nozzle?
a) 450 mm and 220 mph
b) 220 mm and 450 mph
c) 220 mm and 220 mph
d) 450 mm and 450 mph
BGas PAINTING INSPECTION
QUESTION
59
A typical remedy for burnishing would be:
a) Power brushing
b) Emery Paper or similar
c) Needle gun
d) Addition of thinners
BGas PAINTING INSPECTION
QUESTION
60
Which of the following is part of the Footners Duplex
System?
0
a) 1-2% Sulphuric Acid @ 65-80 C for 5-25 mins
0
b) 5-10% Sulphuric Acid @ 70-80 C for 5-10 mins
0
c) 5-10% Sulphuric Acid @ 65-70 C for 5-25 mins
0
d) 5-10% Chromic / Phosphoric Acid @ 65-70 C for 1-2
mins
BGas PAINTING INSPECTION
QUESTION
61
Which of the following is not a natural resin?
a)
b)
c)
d)
Copal
Amber
Dammar
Linseed
BGas PAINTING INSPECTION
QUESTION
62
Which of the following is not a natural Oil?
a)
b)
c)
d)
Castor
Amber
Olive
Linseed
BGas PAINTING INSPECTION
QUESTION
63
Which of the following is an extender?
a)
b)
c)
d)
Graphite
Mica
Glass Flake
China Clay
BGas PAINTING INSPECTION
QUESTION
64
Which of the following is an opaque pigment?
a)
b)
c)
d)
Graphite
Compound of Chromium
Zirconium Octoate
Zinc Phosphate
BGas PAINTING INSPECTION
QUESTION
65
Which of the following is an “additive”?
a)
b)
c)
d)
Opaque pigments
Rust Inhibitive pigments
Thickening agents
Thinners
BGas PAINTING INSPECTION
QUESTION
66
What is the specified minimum standard of cleanliness
required by BGas for non-ferrous substrates?
a)
b)
c)
d)
Sa 2 1/2
Sa 3
St 1
Sa 1
BGas PAINTING INSPECTION
QUESTION
67
Which of the following binders are reversible?
a)
b)
c)
d)
Epoxy
Urethane
Chlorinated Rubber
Silicone
BGas PAINTING INSPECTION
QUESTION
68
What is the maximum allowable time lapse between
surface preparation, and painting?
a)
b)
c)
d)
24 hours
4 hours
20-30 minutes
7 days
BGas PAINTING INSPECTION
QUESTION
69
Which of the following is not a commonly used
binder?
a)
b)
c)
d)
Epoxy
Zinc
Urethane
Vinyl
BGas PAINTING INSPECTION
QUESTION
70
Wire brushes used for BGas hand & power tool
cleaning, must be made from which material?
A) Tungsten or Stainless Steel
B) Copper or Brass
C) Beryllium Bronze or Phosphor Bronze
D) The same material as the pipe
BGas PAINTING INSPECTION
QUESTION
71
What is the cause of rash rusting?
A) Oxygen
B) Rogue Peaks
C) Hackles
D) Hygroscopic Salts
BGas PAINTING INSPECTION
QUESTION
72
Which of the following are commonly used as
anti-settling agents?
A) Heavy metal salts
B) Bentones & Waxes
C) Saturated oils
D) Extender pigments
BGas PAINTING INSPECTION
QUESTION
73
A paint drying by chemical reaction is said to be:
A) Linear polymer
B) Convertible
C) Non-Convertible
D) Reversible
BGas PAINTING INSPECTION
QUESTION
74
Which of the following is not a laminar pigment?
A) Graphite
B) Glass flake
C) Magnesium Silicate
D) Mica
BGas PAINTING INSPECTION
QUESTION
75
Which two materials are commonly used as
sacrificial anodes?
(a)
(b)
(c)
(d)
Copper and Tungsten
Aluminium and Graphite
Zinc and Aluminium
Lead and Tin
BGas PAINTING INSPECTION
QUESTION
76
What is a pyknometer?
a) Opacity testing equipment
b) Whirling Hygrometer
c) Density Cup
d) Windspeed measuring equipment
BGas PAINTING INSPECTION
QUESTION
77
What is the name of the mill used to produce
mastics, fillers, and putties?
a) Triple Roll Mill
b) Ball Mill
c) Single Roll Mill
d) Bead Mill
BGas PAINTING INSPECTION
QUESTION
78
Which of the following is not an adhesion test?
a) Dolly test
b) Cross hatch
c) Krebs Stormer
d) HATE
BGas PAINTING INSPECTION
QUESTION
79
Which of the following is not a drying test?
a) Koenig Albert
b) Beck Koller
c) Mechanical Thumb
d) Ballotini
BGas PAINTING INSPECTION
QUESTION
80
What is the name given to the drying test involving
the use of glass beads?
a) Wolff Wilborne
b) Taber
c) Ballotini
d) Erichsson
BGas PAINTING INSPECTION
QUESTION
81
What type of machinery is used to produce large
production runs of popular paints?
a) Triple Roll Mill
b) Colloid Mill
c) Kady Mill
d) Sand Mill
BGas PAINTING INSPECTION
QUESTION
82
A typical pot life of a paint used in BGas
specifications would be:
a) 20 - 30 minutes
b) 12 - 24 hours
c) 6 - 8 hours
d) 3 - 7 days
BGas PAINTING INSPECTION
QUESTION
83
What is the specified temperature at which a Flash
Point Determination test must be carried out?
a)
b)
c)
d)
200C
Up to 450 0C
There is no specific temperature
25 0C in seawater
BGas PAINTING INSPECTION
QUESTION
84
HATE is an abbreviation of what?
a) High Adhesive Tension Equipment
b) Humidity Affected Electrical Tolerance
c) Hydraulic Adhesion Test Equipment
d) Hardness And Temperature Evaluation
BGas PAINTING INSPECTION
QUESTION
85
In paint testing, why is temperature cycling carried out?
a)
b)
c)
d)
To check for water absorption
To check flexibility
To check contraction cracking
To prove the service life of the coating system
BGas PAINTING INSPECTION
QUESTION
86
Which of the following would not affect the degree of
Gloss?
a)
b)
c)
d)
Surface profile
Critical Pigment Volume Concentration
Solvent type
Degree of dispersion
BGas PAINTING INSPECTION
QUESTION
87
What diameter is the conical mandrel, which is used
in the flexibility test?
a)
b)
c)
d)
8 mm to 25 mm
12mm to 18mm
5mm to 50mm
3mm to 37mm
BGas PAINTING INSPECTION
QUESTION
88
What is the name of the equipment used to
determine particle aggregate size?
(a)
(b)
(c)
(d)
Beck-koller
Hegman gauge
Wolfe-Wilborne
Krebs-Stormer
BGas PAINTING INSPECTION
QUESTION
89
What product should be used for repairs to pipe
coatings in damp conditions?
a) Moisture sensitive isocyanates
b) Water-Borne Acrylics
c) Moisture curing polyurethane
d) Chlorinated Rubber
BGas PAINTING INSPECTION
QUESTION
90
What surface preparation is specified in PA 10 for
weathered galvanised steel?
a)
b)
c)
d)
Sa 2 1/2, followed by “T-Wash” mordant primer
Sa 3, followed by etch primer
Hand abrasion with a stiff bristled brush only
Sa 1 followed by water washing.
BGas PAINTING INSPECTION
QUESTION
91
What would be the correct course of action upon
discovering that the contractor has applied a coat of
paint, out of sequence?
a) Blast and re-coat
b) Apply the correct coating over the top
c) Inform the Engineer
d) add an extra protective coating
BGas PAINTING INSPECTION
QUESTION
92
The function of a finish coat is mainly to provide:
a) impermeability and adhesion
b) aesthetic properties and water shedding
c) cathodic protection and passivation
d) increased thickness at low cost
BGas PAINTING INSPECTION
QUESTION
93
What is the name of the vessel used to determine the
viscosity of free flowing fluids, as per BGas
specifications?
A) Ford Flow cup No 4
B) Zahn cup
C) Abel cup
D) Pyknometer
BGas PAINTING INSPECTION
QUESTION
94
Which of the following is not a test for contaminants?
A) Sellotape
B) Banana gauge
C) Talcum powder
D) Solvent
BGas PAINTING INSPECTION
QUESTION
95
The BGas specified site painting conditions are:
A) Maximum wind speed 4 m/sec, Relative Humidity
maximum 95%
B) Maximum 90% Relative Humidity, Dew Point 3 0 C
above Steel
C) Maximum 90% Relative Humidity, Dew Point 3 0 C less
than Steel
D) Maximum 27 0C, Relative Humidity 95% maximum
BGas PAINTING INSPECTION
QUESTION
96
Which test would be used to determine for soluble salts in
a marine environment?
A) Potassium Hexacyanoferrate
B) Sulphuric Acid
C) Iron Phosphate
D) Silver Nitrate
BGas PAINTING INSPECTION
QUESTION
97
Which of the following is an extender pigment?
a) Magnesium Silicate
b) Aluminium Oxide
c) Manganese Napthanate
d) Barium Metaborate
BGas PAINTING INSPECTION
QUESTION
98
With every 11 degree rise in temperature, the air’s
ability to hold water:
a) Would rise by 11%
b) Would half
c) Would double
d) Would decrease by 11%
BGas PAINTING INSPECTION
QUESTION
99
According to PA10, what is the correct course of action
upon discovering foreign bodies embedded in the paint
film?
a)
b)
c)
d)
Apply an extra protective barrier coat
Re-blast, and re-coat
Lightly abrade with emery paper, apply stripe coat
Make a report to the engineer only
BGas PAINTING INSPECTION
QUESTION
100
According to PA10, is the addition of Thinners allowed?
a)
b)
c)
d)
yes, at the engineers discretion, up to 20% max.
only if the paint is difficult to apply
yes, in accordance with the product data sheets
No, under no circumstances
BGas PAINTING INSPECTION
QUESTION
101
This paint defect is referred to
as:
A) Flaking
B) Chalking
C) Grinning
D) Cissing
BGas PAINTING INSPECTION
QUESTION
102
The main difference between Airless and conventional
spray is:
(a) Conventional spray gives better deposition rate
(b) Conventional spray gives less waste
(c) Airless spray gives better quality finish
(d) Conventional spray gives better atomisation
BGas PAINTING INSPECTION
QUESTION
103
What is the name of the equipment used to
determine particle aggregate size?
(a)
(b)
(c)
(d)
Beck-koller
Hegman gauge
Wolfe-Wilborne
Krebs-Stormer
BGas PAINTING INSPECTION
QUESTION
104
What are the 3 attributes, which make up the
colour of a paint?
(a)
(b)
(c)
(d)
White, black, and primary colour
Hue, brightness and saturation
Red, yellow, and blue
Contrast, density, and definition
BGas PAINTING INSPECTION
QUESTION
105
What voltage settings are commonly used for sponge test
holiday detection?
A) 5 Kv to 15 Kv
B) 15 Kv maximum
C) 9v to 90 v
D) 110v or 240v
BGas PAINTING INSPECTION
QUESTION
106
This is the hazard warning symbol for:
a) Toxic or Very Toxic
b) Harmful or Irritant
c) Corrosive
d) Explosive
BGas PAINTING INSPECTION
QUESTION
107
Another name for a Vapour Trap is?
(a)
(b)
(c)
(d)
Air wash cup
Dry out pot
Knock out pot
Pressure regulator
BGas PAINTING INSPECTION
QUESTION
108
Beryllium Bronze is a material used in the
manufacture of:
(a)
(b)
(c)
(d)
Welding electrodes
Power wire brushes
Comb gauges
Venturi Nozzle liners
BGas PAINTING INSPECTION
QUESTION
109
Which of the following are Primary Colours?
a) Blue Yellow and Green
b) Red Green and White
c) Red White and Blue
d) Red Yellow and Blue
BGas PAINTING INSPECTION
QUESTION
110
When carrying out holiday detection using the
sponge tester, what can we add to the water?
a) Salt
b) Detergent
c) Xylene
d) Inhibitor
BGas PAINTING INSPECTION
QUESTION
111
What would be the main problem of a low CPVC?
(a) High opacity
(b) Permeability
(c) Low Gloss
(d) Low opacity
BGas PAINTING INSPECTION
QUESTION
112
BGC/PS/PA10 contains which table, specifying the
preferred coating systems?
A) Spa 6a
B) Spa 1e
C) Spa 4a
D) spa 3c
BGas PAINTING INSPECTION
QUESTION
113
Thermally Sprayed Aluminium is normally applied by
which system?
A) Electric arc spray
B) Sheradising
C) Wire & Pistol
D) Electro-plating
BGas PAINTING INSPECTION
QUESTION
114
‘Padding’ refers to what?
A) Protection for pipes during transport & storage
B) Protective clothing for TSA application
C) A paint application method
D) Material used to soak spillages
BGas PAINTING INSPECTION
QUESTION
115
Which of the following is not a system for paint colour
classification?
A) BS 4800
B) BS 5252
C) Munsell
D) BGC/PS/CW5
BGas PAINTING INSPECTION
QUESTION
116
When testing for Xylene using a Drager Bellows,
the crystals will change colour :
A) Orange to Black
B) White to Red/Brown
C) White to Green
D) White to Black
BGas PAINTING INSPECTION
QUESTION
117
Which pH range covers Acids?
A) 7 to 14
B) 0 to 7
C) 0 to 14
D) 5 to 10
BGas PAINTING INSPECTION
QUESTION
118
What is the specified abrasive overlap requirement on
repair areas?
A) 250 mm
B) twice pipe diameter
C) 100 mm
D) 1 metre
BGas PAINTING INSPECTION
QUESTION
119
The specified method of
removal of this of type of
contamination is:
A) Dry abrasive blasting
B) Hand abrasion
C) Xylene
D) High pressure washing
BGas PAINTING INSPECTION
QUESTION
120
Where a silicone sealer is applied to an Inorganic Zinc
Silicate coating system, how is the sealer cured?
A) Propane torch
B) Electric induction pads
C) It cures when the system begins to operate
D) it does not require curing
BGas PAINTING INSPECTION
QUESTION
121
Which would be considered to be the most toxic?
A) Acetone
B) Xylene
C) Ethanol
D) Toluene
BGas PAINTING INSPECTION
QUESTION
122
The document issued by the HSE listing all known
harmful substances, is:
A) COSHH
B) SI 1657
C) EH40
D) IGE SR 21
BGas PAINTING INSPECTION
QUESTION
123
In the electrostatic spray painting process, the
component must be:
A) Positively charged
B) Negatively charged
C) 9 volts DC
D) 15 Kv DC
BGas PAINTING INSPECTION
QUESTION
124
Where Bleeding is evident on a pipe which was
previously coated with Coal Tar, the staining would be
which colour?
A) Black
B) Brown
C) Yellow
D) Red
BGas PAINTING INSPECTION
QUESTION
125
This is caused by:
A) Expansion and contraction
B) Age and environment
C) Solvent strength
D) Surface contamination