Chemical Engineering MCQs

Page No. 135

Dry chlorine can be handled in a vessel made of__________________?


aIron or steel


bPVC


cNickel


dBrass


View Answer Iron or steel

Combination of metals and ceramics are called___________________?


aMetalloy


bCermets


cPellets


dNon-crystalline ceramics


View Answer Cermets

For an ideal liquid solution, which of the following is unity ?


aActivity


bFugacity


cActivity co-efficient


d Fugacity co-efficient


View Answer Activity co-efficient

Biological shield in a nuclear power reactor is made of________________?


aConcrete


bSteel


cCadmium


dZircaloy


View Answer Concrete

As the impurities are oxidised, the melting point of iron___________________?


aDecreases


bRemains unchanged


cIncreases


dMay increase or decrease; unpredictable


View Answer Increases

Nitriding of steel is a process for________________?


aCase hardening


bSpheroidising


cNormalising


dAnnealing


View Answer Case hardening

Internal energy is equal to the heat absorbed in case of a/an ______________ process?


aConstant volume


bPolytropic


cAdiabatic


dConstant pressure


View Answer Constant volume

German silver is an alloy of copper, nickel and________________?


aZinc


bSilver


cTin


dLead


View Answer Zinc

Which of the following finds the least commercial use ?


aPure iron


bHigh silicon iron


cLow carbon steel


dHigh carbon steel


View Answer Pure iron

The expression for entropy change, ΔS = n Cp . ln (T2/T1), is valid for the ______________ of a substance?


aSimultaneous pressure & temperature change


b Heating


cCooling


d Both B. and C


View Answer Both B. and C

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