Chemical Engineering MCQs

Page No. 810

Resistance of an electrical conductor is proportional to its (where, l = length and A = crosssectional area of the conductor)________________?


aA

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bl

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cA2

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dBoth A. & B.

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View Answer Both A. & B.

Which of the following has the highest value of refractive index ?


aBrine (sea water)

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bDiamond

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cDistilled water

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dGlass

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View Answer Diamond

The phenomenon occurring during explosion of a hydrogen bomb is___________________?


aNuclear fission

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bNuclear fusion

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cA combination of both nuclear fission & fusion

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dNone of these

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Energy of the sun arises mainly from __________________ reactions?


aFusion

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bFission

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cCombustion

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dNone of these

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View Answer Fusion

According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is__________________?


a180°

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b212°

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c32°

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d273°

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View Answer 180°

Case hardening of a material is__________________?


aFollowed by tempering or carburising

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bPreceded by its tempering

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cDone to get a soft ductile interior with a very hard surface

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dCarried out to get extreme hardness in its core

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Milk is fat dispersed in water. It is an example of__________________?


aSuspension

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bEmulsion

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cGel

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dSolution

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View Answer Emulsion

Cemented carbide tools are not suitable for cutting___________________?


aAluminium

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bBrass

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cCast iron

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dSteel

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View Answer Aluminium

Annealing of white cast iron produces _____________________ iron?


aGrey

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bNodular

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cMalleable

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dSpheroidal

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View Answer Malleable

Direct conversion of thermal energy to electrical energy is facilitated by the____________________?


aFuel cells

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bPhoto voltaic cell

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cMagneto hydrodynamic generator

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dNone of these

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