Painting inspector level 2
Package 4 version 1 Part 1A
L.
Ethyl and methyl silicate are used in paint to give the paint additional resistance to
a.
b.
c.
d.
2.
The passage of moisture.
Hydrocarbonsolvent.
UV-A-radiations.
Abrasion.
ln the impressed current system of cathodic protection a corrosion circuit is established so
that the pipe become the ...............in the electron circuit:
a"
b.
c.
d.
3.
Anode
Ground bed
Cathode.
Positive pole.
Wet abrasive blast cleaning (using untreated water)of a surface should be followed by dry
abrasive blast cleaning
a.
b.
c.
d.
4.
Only directed by the engineer.
To remove the surface profile created by the wet process.
Because the immediate oxidation of the substrate after wet blasting must be removed
Does not need to be carried out if water sensitive paint systems are used.
Which properties of paint is being assessed by a V-CUT test
a.
b.
c.
d.
5.
:
Prohesion.
Adhesion.
Flexibility.
Toughness.
The relevant paint application information for any particular paint product such as paint
spray tip sizes, pressure recommendation etc. are generally found:
a.
b.
c.
d.
6.
On the paint containers.
ln the project specification.
On the product data sheet.
ln the British standard.
The most common type the thermally sprayed metal for offshore application is.
a.
b"
c.
d.
Zinc.
Graphite.
Silicon.
Aluminium.
7.
ln accordance with PA 10 section 32 paint application by roller is
a.
b.
c.
d.
7
8.
Not allowed.
Highly desirable for large areas.
Only to be used for primer coats on blast cleaned surface.
Not recommended unless consult by engineer
Which of the following can be describe as a mixture of millscale and rust but with no visible
pitting
a.
b.
c.
d.
9.
?
Rust Grade C.
Rust Grade A.
Rust Grade D.
Rust Grade B.
Which main paint constituent exists as a suspension within the paint?
a.
b.
c.
d.
Binder.
Driers.
Pigment.
Anti-skinningagent.
l-0. A surface comparator is used to
a. Measured the surface profile of a blast cleaned substrate.
b.
c.
d.
Compare the cleanliness of a blast cleaned surface.
Access the roughness of blast cleaned profile.
Record the peak to trough height of a blast cleaned profile
11. One reason for using wet abrasive blasting instead of dry abrasive blast cleaning is it
a.
b.
c.
d.
ls faster: and safer"
Saves money and time.
Safety removes toxic coatings.
ls easier
to control.
12. Which is the following would not be classed as a natural oil?
a.
b.
c.
d.
copal.
tall.
Linseed.
Tung"
L3. Dry film thickness measuring using a banana gauge can be carried out on which of the
following?
a.
b.
c.
d.
Galvanised surface.
Paint aluminium substrate.
Any paint containing MIO pigment.
None of the above.
14" WFT measurement of a paint coat on a carbon steel pipe can be carried out with
t
a.
b.
c.
d.
a
Banana gauge
Eccentric wheel used longitudinatly.
Comb gauge used circumferentially.
Eccentric wheel used circumferentially.
15. An atom becomes an electrically charge positirre ion by
a.
b.
c.
d.
Releasingelectrons.
Releasing protons.
Releasing charge atoms
None
ofthe above.
L6. Which of the following material has the lowest known average potentialvalue
a.
b.
c.
d.
?
Aluminium.
Copper.
Zinc.
Graphite.
17. The use of a sealer to improve performance and prolong coating life is associated with which
coating system
a.
b.
c.
d.
?
Polysiloxane.
Polyurethane.
lnorganic zinc silicate.
Electrostaticspraying.
L8. What can be used to measure viscosity?
a.
b.
c.
d.
Pyknometer.
Aspirated psychrometer.
Abel closed cup.
Krebs stormer.
19. A paint said to possess low opacity will
a. Have a low permeability.
b.
c.
d.
Have low hiding power.
Contain laminar pigment.
Have minimum gloss value.
20. The equipment used to measure the hiding ability of paint called
a. Reflectometer.
b.
c.
d.
Grind gauge.
Psychrometer.
Cryptometer.
a
f
21. Bi metallic corrosion :
a. Only occur when two identical metals are in close proximity.
b. Cause accelerated corrosion to the metals with the higher nobility.
c. Has no significant effect on the rate of corrosion of the either metals
d. Cause accelerated corrosion of the metalwith the lower nobility.
22" The coating fault commonly termed grinning is caused by
a.
b.
c.
d.
Environmental degradation of the binder"
Non-adherence to pot life.
lnsufficient DFT or low CPVC.
Excessiveapplication.
23. The whirling hygrometer is used to determine:
a. Relative humidity.
b. Dew-point.
c. Temperature.
d. Air pressure.
24. A suitable remedy for repairing pin hole in a painted surface would be
a.
b.
c.
d.
Re-blast and re-coat
A further coat applied on top.
Hand abrade and apply an additional coat. Hackle (minor defect)
Heat it up and used a melt stick.
25. To thick an application of an inorganic zinc coating often result
a.
b.
c.
d.
in
Cissing.
Wrinkling.
.
Lifting.
Mud-cracking.
26. Which paint defect is describe as 'organic solvent' in wet paint dissolves bituminous material
causing it to migrate through the paint film ?
a.
b.
c.
d.
Cissing
Flocculation.
Bleeding.
Grinning.
27. Where paint particle fall outside of the spray pattern, resulting in a dry, flat, pebbled
appearance, this is known as:
a. Orange peel - flocculation"
b. Dry spray - over spray.
c. Flotation - flocculation.
d. Over spray - Flotation.
i
28. How many airlines would an airless spray system used?
a.
1,"
b.
2.
c.
d.
3.
None
-
it is airless.
29. Solids dispersed within a rust inhibitive pigment?
a. A solution.
b. A dispersion.
c- An emulsion.
d.
None
ofthe above.
30. Which of the following is not rust inhibitive pigment
a. Mica,
b.
c.
d.
?
Red lead
Coal tar.
Zinc phosphate,
31. The acrylic paint recommended for non-ferrous application by the National Grid
a. Water soluble.
b. Water based.
c. Water borned. Modified acrylic.
32. Which the following types of binder can be modified to mix with water
a.
b.
c.
d.
?
Natural oil.
Natural resin.
Chlorinated rubber
Epoxy.
33. The main by-product of the corrosion reaction
a.
b.
c.
d.
is
is
lron oxides.
Hydrogen.
Calcium carbonate.
Sodium chloride.
34. Whichofthefollowingoccurwhenelectronsfromanironatomthroughanelectrolyte?
a" The atom change its polarity.
b. Electrically charged particle are produced in the electrolyte.
c.
d.
Hydrogen is transported within the electrolyte"
All of the above wil! occur.
35. Which method of surface preparation is recommended forweathered galvanised steelby
hlation Grid
a.
b.
c.
d.
?
Detergent wash followed by hand abrasion.
Water wash followed by hand abrasion.
Stiff bristle brush.
Etch prime followed by water wash.
36. Which of the following paint system would not be recommended for non-ferrous substrate?
a. Epoxy high built
b. Micaceous iron oxide.
c. Water bourn acrylic.
d.
Alkyd.
37. An additive used as an oxidant in paint manufacture is:
a. Palm oil
b. Cobalt naphthanate.
c. Methylethyl ketoxime.
d.
Paraffin oil.
38. The test for detecting soluble sulphate and chloride salts on a steel substrate
a. Xylene solvent test.
b" Copper sulphate test
c. Potassium hexacyanoferrate test.
d. Wolff-willborn test.
is
the:
39. Which the following is not an artificial weathering device?
a. Crytometer.
b. Humidity cabinate.
c. Water soak test.
d. Prohesion tester.
40. How long should a biocidal wash be left on a paint film before it should be removed
a. t
hour.
b.
2 hours.
c.
24 hours.
d.
As stipulated on the tin.
41. How many micron in a mm
a. 100
b. 1000
c. 10,000
d. L,000,000
?
?
f
42. Wet and dry paint film measurement shall be carried out
a. For final paint coat only.
b. For the primer coat only.
c. For each coat of paint.
d. ln accordance with the specification.
43. Paint system shall be finished off with a full gloss finish
a. ln accordance with BS 4800
b. As specified by the contractor.
c. That is compatible with the underlying coat.
d.
To give a nice bright colour.
44. llSP/PA/10 does not deal with which of the following
a" Maintenance painting.
b" Above ground plant installation.
c. Buried or submerge pipelines.
d. Work plan installations"
45. A paint viscosity is checked at controlled temperature in order to
a. Promote the correct paint flow.
b. Warm upthe paintto get ittoflow.
c. Keep the weight standard.
d. Promote uniformity of the test.
46. A method of monitoring the earth to substrate potential when using cathodic protection
system is to use:
a. An ammerter
b. An audible alarm.
c. A DC test instrument.
d. A half-cell reference electrode.
47. What
a.
b.
c.
d.
is an ion ?
Part of an atom.
A positively charged electron
An electron no longer orbiting an atom
An electrically charged atom.
48. The person or organisation responsible for the safe disposal of waste from site is the
a. Contractor'sforeman.
b. Site engineer.
c. Contractor.
d. Senior pipeline inspector.
:
/
49. A rotational viscometer assesses a material's:
a. Ability to flow.
b. Dynamic viscosity.
c. Kinematicviscosity.
d. Free flowing viscosity.
50. The commonest type of thermally sprayed material for hot duty applications
a.
b.
c.
d.
Zinc.
Graphite.
Silicon.
Aluminium.