Chemical Engineering MCQs

Page No. 114

A material is able to retain the deformation permanently by virtue of its___________________?


aElasticity


bPlasticity


cDuctility


dMalleability


View Answer Plasticity

The extensive properties are____________________?


aVolume, mass and number of moles


bFree energy, entropy and enthalpy


cBoth A. and B


dNone of these


View Answer Both A. and B

Fatigue failure of a material results from _____________ stress?


aTensile


bCompressive


cFluctuating


dNone of these


View Answer Fluctuating

Van Laar equation deals with the activity co-efficients in___________________?


aBinary solutions


bTernary solutions


cAzeotropic mixture only


d None of these


View Answer Binary solutions

Which of the following is not an intensive property ?


a Molar heat capacity


bInternal energy


cViscosity


dNone of these


View Answer Internal energy

In a plate type heat exchanger, heat transfer plates are never made of _________________?


aStainless steel


bCast iron


cTitanium


dHastelloy C


View Answer Cast iron

The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?


aAn open system of constant composition


bA closed system of constant composition


c An open system with changes in composition


dA closed system with changes in composition



Spray dryer for evaporating milk to produce milk powder is made of_________________?


aLead lined steel


bStainless steel


cAluminium


dCast iron


View Answer Stainless steel

Heat of reaction at constant volume is identified with _____________ change?


aEnthalpy


bInternal energy


c Either A. or B


d Neither A. nor B


View Answer Internal energy

Rubber lined vessels are corroded by the action of__________________?


aAqua regia


bChloroform


cSulphuric acid (95%)


dAll A., B. and C.


View Answer All A., B. and C.

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