NEW
Font size
S
M
L
XL
WorksheetsBGAS PART 1A
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
Ethyl & Methyl silicate are used in paint to give the paint additional resistance to.?
a)
A. The passage of moisture
b)
B. Hydrocarbon of solvent
c)
C. UV additional
d)
D. Abrasion
2.
In the impressed current system of Cathodic Protection, a corrosion circuit is established so that the pipe become the………in the electron circuit?
a)
A. Anode
b)
B. Ground bed
c)
C. Cathode
d)
D. Positive pole
3.
Wet abrasive blast cleaning (using untreated water) of a surface should be follow by dry abrasive blast cleaning
a)
A. Only as directed by engineer
b)
B. To remove the surface profile created by the wet process
c)
C. Because the immediate oxidation of the substrate after we blasting must be remove
d)
D. Does not need carried out if water sensitive paint system is used
4.
Which property of paint is being assessed by a V-cut test:
a)
A. Prohession
b)
B. Adhesion
c)
C. Flexibility
d)
D. Toughness
5.
The relevant paint application information for any particular paint product such as paint spray tip size, pressure recommendation, etc. are generally found
a)
A. On the paint containers
b)
B. In the project specification
c)
C. On the product data sheet
d)
D. In the BS
6.
The most common type of thermally sprayed metal for offshore application is:
a)
A. Zinc
b)
B. Graphite
c)
C. Silicon
d)
D. Aluminium
7.
In accordance with PA 10 section 32 paint application by roller is:
a)
A. Not allowed
b)
B. High desirable for large areas
c)
C. Only to be used for primer coasts on blast cleaned surfaces
d)
D. Not recommended
8.
Which of the following can be described as a mixture of mill scale and rust but with no visible pitting
a)
A. Rust Grade C
b)
B. Rust Grade A
c)
C. Rust Grade D
d)
D. Rust Grade B
9.
Which main paint constituent exist as a suspension within the paint?
a)
A. Binder
b)
B. Driers
c)
C. Pigment
d)
D. Anti-skinning agent
10.
A surface comparator is used to:
a)
A. Measure the surface profile of a blast cleaned surface
b)
B. Compare the cleanliness of a blast cleaned surface
c)
C. Assess the roughness of a blast cleaned profile
d)
D. Record the peak to through height of a blast cleaned profile
11.
One reason for using wet abrasive blasting instead of dry abrasive blast cleaning is it:
a)
A. Is faster and safer
b)
B. Save money and time
c)
C. Safely removes toxic coating
d)
D. Is easier to control
12.
Which of the following would not be classed as a natural oil?
a)
A. Copal
b)
B. Tall
c)
C. Linseed
d)
D. Tung
13.
Dry film measurement using a banana gauge can be carried out on which of the following?
a)
A. Galvanized surfaces
b)
B. Painted Aluminium substrates
c)
C. Any paint containing MIO Pigment
d)
D. None of the above
14.
WFT measurement of a paint coat on a carbon steel pipe can be carried out with a:
a)
A. Banana gauge
b)
B. Eccentric wheel longitudinally
c)
C. Comb gauge used circumferentially
d)
D. Eccentric wheel circumferentially
15.
An atom becomes an electrically charged positive ion by:
a)
A. Releasing electrons
b)
B. Releasing protons
c)
C. Releasing charged atoms
d)
D. None of the above
16.
Which of the following materials has the lowest known average potential value?
a)
A. Aluminium
b)
B. Copper
c)
C. Zinc
d)
D. Graphite
17.
The use of a sealer to improve performance and prolong coating life is associated with which coating system
a)
A. Polysiloxane
b)
B. Polyurethane
c)
C. Inorganic Zinc silicate
d)
D. Electrostatic spraying
18.
What can be used to measure viscosity?
a)
A. Pyknometer
b)
B. Aspirated psychrometer
c)
C. Abel close cup
d)
D. Krebs stormer
19.
A paint said to possess low opacity will:
a)
A. Have low permeability
b)
B. Have low hiding power
c)
C. Contain laminar pigments
d)
D. Have a minimum gloss value
20.
The equipment used to measure the hiding ability of paint is call a:
a)
A. reflectomer
b)
B. grind gauge
c)
C. psychrometer
d)
D. cryptometer
21.
Bi metallic corrosion:
a)
A. only occur when two identical are in close proximately
b)
B. cause accelerated corrosion to the metal with the higher nobility
c)
C. has no significant effect on the rate of corrosion or either metal
d)
D. causes accelerated corrosion of the metal with the lower nobility
22.
The coating fault commonly termed grinning is caused by:
a)
A. environmental degradation of the binder
b)
B. non adherence to pot life
c)
C. insufficient DFT as low CPVC
d)
D. Excessive application
23.
The whirling hygrometer is used to determine
a)
A. relative humidity
b)
B. dew point
c)
C. temperature
d)
D. air pressure
24.
A suitable remedy for repairing pin holes in a painted surface would be
a)
A. re blast and re coat
b)
B. a further coat applied on top
c)
C. hand abrade and apply an additional coat
d)
D. heat it up and use a melt stick
25.
To thick an application of an inorganic zinc. Coating often results in
a)
A. cissing
b)
B. wrinkling
c)
C. lifting
d)
D. mud cracking
26.
Which paint defect is described as “organic solvent in wet paint dissolves bituminous material it to migrate through the paint film
a)
A. cissing
b)
B. flocculation
c)
C. bleeding
d)
D. grinning
27.
Where paint particles fall outside of the spray pattern, resulting in a dry, flat, pebbled appearance, this is known as:
a)
A. orange peel - flocculation
b)
B. dry spray – over spray
c)
C. flotation - flocculation
d)
D. over spray - flotation
28.
How many airlines would be an airless spray system use?
a)
A. 1
b)
B. 2
c)
C. 3
d)
D. non – it is airless
29.
Solids dispersed within a liquid with no solubility is a description of:
a)
A. a solution
b)
B. a dispersion
c)
C. an emulsion
d)
D. none of the above
30.
Which of the following is not a rust inhibited pigment?
a)
A. mica
b)
B. red lead
c)
C. coal tar
d)
D. zinc phosphate
31.
The acrylic paint recommended for nonferrous application by national grid is
a)
A. water soluble
b)
B. water based
c)
C. water borne
d)
D. modified acrylic
32.
Which of the following type of binder can be modified to mix with water.
a)
A. naturals oil
b)
B. natural resins
c)
C. chlorinated rubber
d)
D. epoxy
33.
The main by-product of the corrosion reaction is
a)
A. iron oxide
b)
B. hydrogen
c)
C. calcium carbonate
d)
D. sodium chloride
34.
Which of the following occur when electrons from an iron atom travel through an electrolyte:
a)
A. the atom changes its polarity.
b)
B. electrically charged particles are produced in the electrolyte.
c)
C. hydrogen is transported within the electrolyte.
d)
D. all of the above will occur.
35.
Which method of surface preparation is recommended for weathered galvanized steel by the National Grid?
a)
A. detergent wash followed by hand abrasion.
b)
B. water wash followed by hand abrasion.
c)
C. stiff bristle brush.
d)
D. etch prime followed by water wash.
36.
Which of the following paint systems would not be recommended for a non-ferrous substrate?
a)
A. epoxy high build.
b)
B. micaceous iron oxide
c)
C. water bourn acrylic.
d)
D. alkyd
37.
An additive used as an oxidant in paint manufacture is:
a)
A. palm oil.
b)
B. cobalt naphthenate.
c)
C. methyl ethyl ketoxime.
d)
D. paraffin oil.
38.
The test for detecting soluble sulphate and chloride salts on a steel substrate is the:
a)
A. xylene solvent test.
b)
B. copper sulphate test.
c)
C. potassium hexacyanoferrate test.
d)
D. wolff-willborn test.
39.
Which of the following is not artificial weathering device?
a)
A. cryptometer.
b)
B. humidity cabinet.
c)
C. water soak test.
d)
D. prohesion tester.
40.
How long should a biocidal wash be left on a paint film before it should be removed?
a)
A. 1 hour.
b)
B. 2 hours.
c)
C. 24 hours.
d)
D. as stipulated on the tin
41.
How many microns in a mm:
a)
A. 100
b)
B. 1000
c)
C. 10,000
d)
D. 1,000,000
42.
Wet and dry paint film measurement shall be carried out:
a)
A. For the final coat only
b)
B. For the primer coat only
c)
C. For each coat of paint
d)
D. In accordance with the specification
43.
Paint system shall be finished off with a full gloss finish:
a)
A. In accordance with BS4800
b)
B. As specified by the contractor
c)
C. That is compatible with the underlying coats
d)
D. To give a nice bright colour
44.
T/SP/PA/10 does not deal with which of the following:
a)
A. Maintenance painting
b)
B. Above ground plant installations
c)
C. Buried or submerged pipelines
d)
D. Works plant installations
45.
A paint viscosity is checked at controlled temperature in order to:
a)
A. Promote the correct paint flow
b)
B. Warm up the paint to get it to flow
c)
C. Keep the weight standard
d)
D. Promote uniformly of the test
46.
A method of monitoring the earth to the substrate potential when using a cathodic protection system is to use:
a)
A. An ammeter
b)
B. An audible alarm
c)
C. A DC test instrument
d)
D. A half-cell reference electrode
47.
What is ion?
a)
A. Part of an atom
b)
B. A positively charged electron
c)
C. An electron no longer orbiting an atom
d)
D. An electrically charged atom
48.
The person or organization responsibility for the safe disposal of waste product from site is the:
a)
A. contractor’s foreman
b)
B. site engineer.
c)
C. contractor.
d)
D. senior pipeline inspector.
49.
A rotational viscometer assesses a material:
a)
A. ability to flow.
b)
B. dynamic viscosity.
c)
C. kinematic viscosity.
d)
D. free flowing viscosity.
50.
The commonest type of thermally sprayed material for hot duty applications:
a)
A. zinc.
b)
B. graphite.
c)
C. silicon.
d)
D. aluminum.
Reset
