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

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bHeat resisting steel

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cInvar

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dHigh speed steel

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View Answer Invar

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


aNo

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b Any real

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cOnly ideal

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d Both B. and C.

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View Answer Only ideal

Bronze is an alloy of copper and _________________?


aLead

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bTin

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cNickel

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dZinc

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View Answer Tin

Compound having large heat of formation is_____________________?


aMore stable

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bLess stable

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cNot at all stable (like nascent O2)

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d Either more or less stable; depends on the compound

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View Answer More stable

Which of the following has the poorest weldability ?


aLow carbon steel

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bMild steel

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cWrought iron

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dHigh-carbon steel

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View Answer High-carbon steel

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


aPressure

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b Temperature

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cBoth A. & B.

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dNeither A. nor B.

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View Answer Temperature

Which of the following contains maximum percentage of carbon ?


aBoiler plate steel

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bRail steel

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cSaws for cutting steel

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dRailway spring steel

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


aSublimation

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bFusion

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cTransition

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dVaporisation

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View Answer Transition

Hot working of lead is carried out at_________________?


a75° C

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b373° K

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c150° C

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dRoom temperature

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View Answer Room temperature

The digester of a Gobar gas plant is a___________________?


aMild steel drum

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bStainless steel vessel

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cMasonry well

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dCast iron vessel

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View Answer Masonry well

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