Chemical Engineering MCQs

Page No. 744

Hydrolysis of sugar is called_____________________?


aHydration


bInversion


cEsterification


dNone of these


View Answer Inversion

Sizing material is incorporated in paper to___________________?


aImpart resistance to penetration by liquids


bIncrease its thickness


cIncrease its flexibility & opacity


dIncrease its brightness



Shrinkage volume in cement setting does not depend upon the _____________________?


aSand to cement ratio


bWater to cement ratio


cAmbient temperature fluctuation


dDrying period


View Answer Sand to cement ratio

Widely used method for the conditioning of boiler feed water is the ___________________?


aCold lime process


bCoagulation


cHot-lime soda process


dSequestration


View Answer Hot-lime soda process

Which of the following processes can remove both temporary as well as permanent hardness of water ?


aFiltration


bBoiling


cDistillation


dNone of these


View Answer Distillation

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell ?


aCl2 & Na


bCl2 & H2


cO2 & H2


dCl2, H2 & NaOH solution



Chemical formula of oleum is_________________?


aH2SO3


bH2SO4


cH2S2O7


dH2SO7


View Answer H2S2O7

Contact process of sulphuric acid manufacture ____________________?


aYields acid of higher concentration than chamber process


bYields acids of lower concentration than chamber process


cIs obsolete


dEliminates absorber



Favourable conditions for the liquefaction of gases in general are _____________________?


aHigh pressure & low temperature


bLow pressure & high temperature


cHigh pressure & high temperature


dLow pressure & low temperature



Catalytic oxidation of toluene produces____________________?


aStyrene


bPhenol


cBenzene


dTri-nitro-toluene


View Answer Phenol

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