Chemical Engineering MCQs

Page No. 695

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is __________________?


aA slow reaction


bA discontinuous reaction (requiring regeneration of iron by water gas intermittently)


cStill in development stage (by employing fluidised bed technique)


dAll A , B. and C


View Answer All A , B. and C

Silicon carbide is a/an_______________?


aAdhesive


bAbrasive


cType of glass


dBrittle material


View Answer Abrasive

Le-Blanc process is a primitive process for the manufacture of___________________?


aCaustic soda


bSoda ash


cBromine from sea water


dHydrochloric acid


View Answer Soda ash

A bio-catalyst produced by living cells which acts independent of the cell is called a/an_______________?


aSubstrate


bEnzyme


cNutrient


dNone of these


View Answer Enzyme

Electro deposition of metals i.e. electroplating is never done on_____________________?


aMetals


bAlloys


cRefractories


dNon-metals


View Answer Refractories

Gypsum is chemically __________________ ?


aCalcium chloride


bPotassium sulphate


cSodium sulphate


dCalcium sulphate


View Answer Calcium sulphate

Trinitro-toluene (TNT) is _________________ ?


aUsed in glycerine manufacture


bAn explosive


cUsed in dye manufacture


dNone of these


View Answer An explosive

Which of the following is used as a coagulant in treating turbid water ?


aChlorine


bFerric sulphate


cCalcium sulphate


dActivated carbon


View Answer Ferric sulphate

Electric bulbs are made of _______________ glass ?


aJena


bFlint


cCrookes


dPyrex


View Answer Flint

Hollander beater used during paper pulp manufacture does not facilitate the ______________ of fiber?


aCutting


bFibrillation


cHydration


dStrengthening


View Answer Strengthening

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