Chemical Engineering MCQs

Page No. 124

Steel rods are used in reinforced concrete to increase its ______________ strength?


aShear

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bTensile

✓


cCompressive

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dNone of these

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View Answer Tensile

A gas can be liquefied by pressure alone only, when its temperature is _____________ its critical temperature?


aLess than

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bMore than

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cEqual to or higher than

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d Less than or equal to

✓



The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called__________________?


aBauschinger effect

✓


bHooke’s effect

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cHysteresis

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dRelaxation

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View Answer Bauschinger effect

“If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them”. This is ______________ law?


aHess’s

✓


bKirchoff’s

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cLavoisier and Laplace

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d None of these

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View Answer Hess’s

A measure of toughness of a material is its________________?


aPercentage elongation

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bYield strength

✓


cUltimate strength

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dArea under stress-strain diagram

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View Answer Yield strength

Gibbs free energy of a pure fluid approaches _____________ as the pressure tends to zero at constant temperature?


aInfinity

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bMinus infinity

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cZero

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dNone of these

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View Answer Minus infinity

Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of________________?


aAluminium

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bStainless steel

✓


cHigh silicon (14%) iron

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dCopper

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View Answer Stainless steel

Which is a state function ?


aSpecific volume

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bWork

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cPressure

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dTemperature

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View Answer Work

Which of the following is produced by condensation polymerisation ?


aBakelite

✓


bPolythene

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cPoly vinyl chloride

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dPolystyrene

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View Answer Bakelite

Tin in its pure form is used for making_______________?


aCans for food packing

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bCollapsible tubes for toilet preparations

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cFoil for wrapping cheese

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dAll A., B. and C.

✓


View Answer All A., B. and C.

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