120. Most commonly used solvent in oil paints, is
A. petroleum
B. spirit
C. coaltar
D. turpentine.
121. Turpentine oil is used in paints as
A. thinner
B. vehicle
C. base
D. drier.
122. Linseed oil is used in paints as
A. thinner
B. vehicle
C. base
D. drier.
123. Duco is one of the patent forms of
A. emulsion paints
B. plastic paints
C. bituminous paints
D. cellulose paints.
124. Varnish is a transparent or semi-transparent solution of resinuous substances in
A. alcohol
B. linseed
C. turpentine
D. all the above.
125. The most important constituent of an oil paint, is
A. thinner
B. vehicle
C. pigment
D. all the above.
126. The most important constituent of varnish, is
A. drier
B. solvent
C. resin
D. all the above.
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