12.
Most paint products are flammable. What are the chief causes of fire and explosions?
A.
Liquids and vapors
B.
High-flashing solvents
C.
Rubber-based paints
D.
Damar varnishes and lacquers
13.
In inches, what is the diameter of the smallest casters you may use on a rolling tower?
A.
3
B.
4
C.
5
D.
6
14.
It is standard practice to use wire rope of at least 3/4-inch diameter for platform slings. In
inches, what is the least diameter of Manila rope you would select for boatswain's chairs and lifelines?
A.
1/2
B.
5/8
C.
3/4
D.
1
15.
Which of the following items would you place under dispensing pumps and spigots to absorb
possible spillage or overflow?
A.
An oil rag
B.
A pail of sand
C.
A box of sawdust
D.
A pail of water
16.
What precaution should you take with paint rags and waste?
A.
Burn them
B.
Soak them in oil and leave in place
C.
Wet them down with water and store in closed, metal container
D.
Wash them and dry thoroughly
17.
Which of the following solvents is least irritating to the skin?
A.
Mineral spirits
B.
Turpentine
C.
MEK
D.
Xylol
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EN0562