Chemical Engineering MCQs

Page No. 718

Alcohol is produced by the___________________?


aOxidation of an aldehyde


bHydrolysis of an ether


cEsterification of a fat


dNone of these



Which of the following is an endothermic reaction ?


aAbsorption of SO3 in 98% H2SO4


bC + H2O = CO + H2


cThermal dissociation of iron pyrites


dBoth B. and C.


View Answer Both B. and C.

Hydrogenation of edible vegetable oils_________________?


aIs an exothermic reaction


bIncreases their melting point


cIs done in presence of nickel catalyst


dAll A , B. and C.


View Answer All A , B. and C.

Pick out the wrong statement. Iodine value of an oil or fat is________________?


aThe number of grams of iodine taken up by 100 gm of oil or fat


bA measure of its unsaturation


cHelpful in findings its adulteration & its suitability for making soap


dIndependent of the type of oil, whether it is drying or non-drying



______________ process is used for the manufacture of sodium carbonate by ammonia soda process?


aOstwald’s


bBosch


cSolvay


dHaber’s


View Answer Solvay

Analgesic drugs are__________________?


aPain relievers


bAntibiotics


cUsed in the treatment of T.B.


dUsed in the treatment of typhoid


View Answer Pain relievers

Neoprene is the trade name of___________________?


aPolyurethane


bPhenol formaldehyde


cPolychlorophrene


dStyrene-butadiene rubber


View Answer Polychlorophrene

Cellulose percentage in bamboo fibre is about_________________?


a10


b20


c50


d85


View Answer 50

Claude process of gas liquefaction employs___________________?


aMerely compression of gas beyond its critical pressure


bJoule-Thomson expansion cooling


cHeat exchange with colder stream


dAdiabatic expansion against a piston or in a turbine



In the Lurgi coal gasifier_________________?


aCoking coals cannot be used


bLow carbon conversion efficiency is achieved


cEntrainment of solids is higher


dLarge quantity of coal can be processed



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