365. Pearlite appears as follows under microscope
A.Dark
B.White
C.Light
D.Finger print

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366. The basic ingredient of cemented carbide is
A.Aluminium oxide
B.Vanadium
C.Ceramics
D.Tungsten oxide

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367. Stellite is a non-ferrous cast alloy composed of
A.Cobalt, chromium and tungsten
B.Tungsten, chromium and vanadium
C.Tungsten, molybdenum and cobalt
D.Molybdenum, vanadium and cobalt

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368. Materials exhibiting time bound behaviour are known as
A.Visco elastic
B.Anelastic
C.Isentropic
D.Resilient

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369. Visco elastic behaviour is common in
A.Rubber
B.Non-crystalline organic polymers
C.Crystalline materials
D.Non-crystalline materials

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370. Diamond's weight is expressed in terms of carats. One carat is equal to
A.1 mg
B.20 mg
C.200 mg
D.350 mg

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371. The degradation of plastics is accelerated by
A.High ambients
B.Dampness
C.Corrosive atmosphere
D.Ultraviolet radiation

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