Chemical Engineering MCQs

Page No. 84

Dies for wire drawing are generally made of__________________?


aMild steel


bStainless steel


cCarbides


dHigh carbon steel


View Answer Carbides

Pick the odd man out of the following?


aCalorising


bPack carburising


cNitriding


dCyaniding


View Answer Calorising

Reduced pressure of a gas is the ratio of its__________________?


aPressure to critical pressure


bCritical pressure to pressure


cPressure to pseudocritical pressure


d Pseudocritical pressure to pressure



A material no longer behaves elastically beyond_________________?


aPlastic limit


bLimiting load


cElastic limit


dBreaking load


View Answer Elastic limit

Melting of wax is accompanied with ______________ in entropy?


aIncrease


bDecrease


cNo change


dNone of these


View Answer Increase

Glass lined vessels are not used for handling__________________?


aDilute H2SO4


bDilute HNO3


cDilute HCI


dHydrofluoric acid


View Answer Hydrofluoric acid

The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium, is__________________?


a3


b1


c2


d0


View Answer 1

Which of the following is the most elastic material ?


aPlastic


bGlass


cSteel


dRubber


View Answer Steel

Standard temperature and pressure (S.T.P.) is__________________?


a0°C and 750 mm Hg


b15°C and 750 mm Hg


c 0°C and 1 kgf/cm2


d15°C and 1 kgf/cm2


View Answer 0°C and 750 mm Hg

Materials having _____________ lattice structure are usually most ductile?


aFCC


bBCC


cHCP


dCubic


View Answer FCC

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