Chemical Engineering MCQs

Page No. 701

Trinitrotoluene (TNT), an explosive, is made by the nitration of ____________________?


aNitrobenzene


bToluene


cNitrotoluene


dBenzene


View Answer Toluene

With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide________________?


aIncreases


bIncreases linearly


cDecreases


dDecreases linearly


View Answer Decreases

Comparing sulphate process with sulphite process, we find that ______________ in the later ?


aBoth temperature & pressure in the former is less than that


bBoth temperature & pressure in the former is more than that


cTemperature is more in the former whereas pressure is more


dPressure is more in the former whereas temperature is less



Coal tar is used as a___________________?


aBinding material for coal briquettes


bFuel in rotary kiln


cBinder in making carbon electrodes


dAll A , B. and C.


View Answer All A , B. and C.

Litharge is________________?


aLead oxide


bZinc oxide


cZinc sulphide


dCellulosic photographic material


View Answer Lead oxide

Brackish water which contains mostly dissolved salt, can be purified by the __________________ process?


aReverse osmosis


bSand filter


cLime soda


dPermutit


View Answer Reverse osmosis

High acid value of an oil or fat is an indication of _____________________?


aStorage under improper conditions


bAbsence of unsaturation


cIts smaller molecular weight


dNone of these



Glycerine is not used in the____________________?


aManufacture of explosive


bConditioning and humidification of tobacco


cManufacture of pharmaceuticals


dNone of these


View Answer None of these

Which form of sulphur is the most stable at room temperature ?


aPlastic


bMonoclinic


cRhombic


dFlowers of sulphur


View Answer Rhombic

During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to__________________?


aIncrease the rate of absorption


bAvoid corrosion


cReduce the cooling water circulation rate


dNone of these


View Answer Avoid corrosion

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