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

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

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cStill in development stage (by employing fluidised bed technique)

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dAll A , B. and C

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View Answer All A , B. and C

Silicon carbide is a/an_______________?


aAdhesive

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bAbrasive

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cType of glass

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dBrittle material

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View Answer Abrasive

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


aCaustic soda

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bSoda ash

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cBromine from sea water

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dHydrochloric acid

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View Answer Soda ash

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


aSubstrate

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bEnzyme

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cNutrient

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dNone of these

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View Answer Enzyme

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


aMetals

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bAlloys

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cRefractories

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dNon-metals

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View Answer Refractories

Gypsum is chemically __________________ ?


aCalcium chloride

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bPotassium sulphate

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cSodium sulphate

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dCalcium sulphate

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View Answer Calcium sulphate

Trinitro-toluene (TNT) is _________________ ?


aUsed in glycerine manufacture

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bAn explosive

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cUsed in dye manufacture

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dNone of these

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View Answer An explosive

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


aChlorine

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bFerric sulphate

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cCalcium sulphate

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dActivated carbon

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View Answer Ferric sulphate

Electric bulbs are made of _______________ glass ?


aJena

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bFlint

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cCrookes

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dPyrex

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View Answer Flint

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


aCutting

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bFibrillation

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cHydration

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dStrengthening

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View Answer Strengthening

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