Chemical Engineering MCQs

Page No. 701

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


aNitrobenzene

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bToluene

✓


cNitrotoluene

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dBenzene

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View Answer Toluene

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


aIncreases

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bIncreases linearly

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cDecreases

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dDecreases linearly

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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

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bBoth temperature & pressure in the former is more than that

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cTemperature is more in the former whereas pressure is more

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dPressure is more in the former whereas temperature is less

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Coal tar is used as a___________________?


aBinding material for coal briquettes

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bFuel in rotary kiln

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cBinder in making carbon electrodes

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dAll A , B. and C.

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View Answer All A , B. and C.

Litharge is________________?


aLead oxide

✓


bZinc oxide

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cZinc sulphide

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dCellulosic photographic material

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View Answer Lead oxide

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


aReverse osmosis

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bSand filter

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cLime soda

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dPermutit

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View Answer Reverse osmosis

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


aStorage under improper conditions

✓


bAbsence of unsaturation

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cIts smaller molecular weight

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dNone of these

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Glycerine is not used in the____________________?


aManufacture of explosive

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bConditioning and humidification of tobacco

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cManufacture of pharmaceuticals

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dNone of these

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View Answer None of these

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


aPlastic

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bMonoclinic

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cRhombic

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dFlowers of sulphur

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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

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bAvoid corrosion

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cReduce the cooling water circulation rate

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dNone of these

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View Answer Avoid corrosion

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