376. The paints used in aircrafts are
a ) dry paints
b ) cellulose paints
c ) water paints
d ) emulsion paints
377. The defect in painting caused due to sliding of one layer of paint over another layer , is known as .
a ) wrinkling
b ) peeling
c ) alligatoring
d ) none of the above
378. The main constituent of varnish is
a ) resin
b ) water
c ) chalk
d ) bitumen
379. The varnish is essentially made of
a ) resin
b ) solvent
c ) driver
d ) both ( a ) and ( b ) of above
380. French polish is made by dissolving the resin
a ) in oil
b ) in water
c ) in spirit
d ) in turpentine
381. Snowcem is
a) a cement paint
b ) an oil paint
c ) an enamel paint
d ) a cellulose paint
382. The pigment used in paints for corrosive resistance is
a ) red lead
b ) white lead
c ) gypsum
d ) ferrous oxide
383. The pigment commonly used in the manufacture
a ) ambers
b ) iron oxide
c ) lamp black
d ) all of the above
384. PVC controls in paint
a ) gloss
b ) cohesion & adhesion
c ) durability & washability
d ) all of the above
385. PVC stands for
a ) pigment volume concentration
b ) poly vinyl carbide
c ) ploy vinyl chlorine
d ) none of the above
386. Muller is concerned with
a ) ground the base of paint
b ) it is made of stone
c ) preparation of paint
d) all of the above
387. The cracks developed throughout thickness of paint due various reason is known as
a ) wrinkling
b ) blistering
c ) sagging
d ) cracking
388. The material generally not used as extender in paints is
a ) powered silica
b ) gypsum
c ) talc
d ) zinc white
389. The following element of a paint is used as base , pigment as well as drier
a ) red lead
c ) black lead
b ) white lead
d ) all of the above
390. A prime coat is given to steel work
a ) an oxide of iron paint
b ) a mixture of linseed oil & red lead
c ) an oxide of paint
d ) all of the above
391. Stucco paints are suitable for
a ) stone masonry
b ) brick walls
c ) both ( a ) and ( b ) of above
d ) none of the above
392. The radiator of vehicles are pointed with
a ) asbestos paint
b ) plastic paint
c ) oil paint
d ) bronze paint
393. Inert filler / adulterant is used in paint to
a ) increase the volume
b ) reduce the cost
c ) both ( a ) and ( b ) of above
d) none of the above
394. The most durable varnish is
a ) oil varnish
b) spirit varnish
c ) flat varnish
d) asphalt varnish
395. Brilliant varnish is
a ) oil varnish
b) spirit varnish
c ) flat varnish
d) asphalt varnish
396. Bitumen is used for
a ) water proofing
b) damp proofing
c ) joint filler
d) all of the above
397. Asphalt is a mixture of
a ) bitumen and inert mineral matter
b ) bitumen and asbestos
c ) bitumen and cement
d ) tar and asbestos
398. Plastic asphalt is
a) a mixture of cement and asphalt
b) a natural asphalt
c) a refinery product
d) none of the above
399. When bitumen is graded by 75/15, the figure 75 represents
a ) viscosity in centipoises
b) softening point in degree Celcius
c ) fire point in degrees Celcius
d) flash points in degrees celsius
400 . Bitumen paint renders
a ) protective surface
b) shining surface
c ) smooth surface
d ) hard surface
