Chemical Engineering MCQs

Page No. 772

Nickel is a _________________ material?


aFerromagnetic

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bSemi-conductor

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cParamagnetic

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dFerroelectric

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View Answer Ferromagnetic

The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the________________________?


aResilience

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bToughness

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cDuctility

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dImpact strength

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View Answer Resilience

High endurance limit of carburised machine parts is because of the fact that carburisation __________________?


aSuppresses any stress concentration produced in the parts

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bEnhances the yield point of the material

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cIntroduces a compressive layer on the surface

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dProduces a better surface finish

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Function of fusible plug in a boiler is to ______________________?


aDrain out water and sludge from the boiler during repair

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bPut off fire in the furnace when water level in the boiler falls to unsafe limit

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cGuard the boiler in case of abnormal rise in steam pressure

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dAll A, B. & C

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Optical activity is a/an _______________________ property ?


aAdditive

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bConstitutive

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cBoth A. & B.

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dNeither A. nor B.

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View Answer Both A. & B.

“Encyclopaedia of Chemical Technology” has been ____________________?


aAuthored by Kirk Othmer

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bEdited by Perry and Chilton

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cEdited by Kirk Othmer

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dAuthored by Perry and Chilton

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View Answer Edited by Kirk Othmer

Otto cycle used in spark ignition petrol engines is also known as the constant ________________ cycle?


aVolume

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bPressure

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cHeat

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dNone of these

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View Answer Volume

_________________ is not used as a material of construction in thermocouples ?


aAlumel

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bRhodium

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cConstantan

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dDuralumin

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View Answer Duralumin

A metal having a Poisson’s ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is________________?


a-0.8

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b0.8

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c+0.08

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d-0.24

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View Answer -0.24

For dynamic strain measurement, the Wheatstone bridge used is of ______________ type ?


aVoltage sensitive null

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bVoltage sensitive deflected

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cCurrent sensitive deflected

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dNone of these

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