Chemical Engineering MCQs

Page No. 101

A steel alloy containing 36% nickel is called _____________________, which has a zero co-efficient of expansion?


aAustenitic stainless steel


bHeat resisting steel


cInvar


dHigh speed steel


View Answer Invar

The equation, Cp – Cv = R, is true for _______________ gas?


aNo


b Any real


cOnly ideal


d Both B. and C.


View Answer Only ideal

Bronze is an alloy of copper and _________________?


aLead


bTin


cNickel


dZinc


View Answer Tin

Compound having large heat of formation is_____________________?


aMore stable


bLess stable


cNot at all stable (like nascent O2)


d Either more or less stable; depends on the compound


View Answer More stable

Which of the following has the poorest weldability ?


aLow carbon steel


bMild steel


cWrought iron


dHigh-carbon steel


View Answer High-carbon steel

The heat capacities for the ideal gas state depend upon the_________________?


aPressure


b Temperature


cBoth A. & B.


dNeither A. nor B.


View Answer Temperature

Which of the following contains maximum percentage of carbon ?


aBoiler plate steel


bRail steel


cSaws for cutting steel


dRailway spring steel



Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of _____________________?


aSublimation


bFusion


cTransition


dVaporisation


View Answer Transition

Hot working of lead is carried out at_________________?


a75° C


b373° K


c150° C


dRoom temperature


View Answer Room temperature

The digester of a Gobar gas plant is a___________________?


aMild steel drum


bStainless steel vessel


cMasonry well


dCast iron vessel


View Answer Masonry well

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