Chemical Engineering MCQs

Page No. 114

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


aElasticity

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bPlasticity

✓


cDuctility

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dMalleability

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View Answer Plasticity

The extensive properties are____________________?


aVolume, mass and number of moles

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bFree energy, entropy and enthalpy

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cBoth A. and B

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dNone of these

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View Answer Both A. and B

Fatigue failure of a material results from _____________ stress?


aTensile

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bCompressive

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cFluctuating

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dNone of these

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View Answer Fluctuating

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


aBinary solutions

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bTernary solutions

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cAzeotropic mixture only

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d None of these

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View Answer Binary solutions

Which of the following is not an intensive property ?


a Molar heat capacity

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bInternal energy

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cViscosity

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dNone of these

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View Answer Internal energy

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


aStainless steel

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bCast iron

✓


cTitanium

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dHastelloy C

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View Answer Cast iron

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


aAn open system of constant composition

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bA closed system of constant composition

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c An open system with changes in composition

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dA closed system with changes in composition

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


aLead lined steel

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bStainless steel

✓


cAluminium

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dCast iron

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View Answer Stainless steel

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


aEnthalpy

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bInternal energy

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c Either A. or B

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d Neither A. nor B

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View Answer Internal energy

Rubber lined vessels are corroded by the action of__________________?


aAqua regia

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bChloroform

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cSulphuric acid (95%)

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dAll A., B. and C.

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View Answer All A., B. and C.

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