Chemical Engineering MCQs

Page No. 124

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


aShear


bTensile


cCompressive


dNone of these


View Answer Tensile

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


aLess than


bMore than


cEqual to or higher than


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


cHysteresis


dRelaxation


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


cLavoisier and Laplace


d None of these


View Answer Hess’s

A measure of toughness of a material is its________________?


aPercentage elongation


bYield strength


cUltimate strength


dArea under stress-strain diagram


View Answer Yield strength

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


aInfinity


bMinus infinity


cZero


dNone of these


View Answer Minus infinity

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


aAluminium


bStainless steel


cHigh silicon (14%) iron


dCopper


View Answer Stainless steel

Which is a state function ?


aSpecific volume


bWork


cPressure


dTemperature


View Answer Work

Which of the following is produced by condensation polymerisation ?


aBakelite


bPolythene


cPoly vinyl chloride


dPolystyrene


View Answer Bakelite

Tin in its pure form is used for making_______________?


aCans for food packing


bCollapsible tubes for toilet preparations


cFoil for wrapping cheese


dAll A., B. and C.


View Answer All A., B. and C.

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