Chemical Engineering MCQs

Page No. 123

Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the_______________?


aLow pressure and high temperature

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bLow pressure and low temperature

✓


cHigh pressure and low temperature

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d High pressure and high temperature

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Teflon (PTFE) is corroded by_______________?


aHydrochloric acid (10%)

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bHydrochloric acid (95%)

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cSulphuric acid

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dNone of these

✓


View Answer None of these

Liners of a ball mill are never made of__________________?


aLead

✓


bAlloy steel

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cRubber or ceramic material

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dCast iron

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View Answer Lead

Which of the following undergoes granular fracture ?


aWrought iron

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bSteel

✓


cCast iron

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dNone of these

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View Answer Steel

Reactor used in the production of polyvinyl chloride (PVC) is made of____________________?


aNickel or glass lined steel

✓


bAluminium

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cTantalum

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dLead

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Presence of manganese in alloy steel improves its___________________?


aCorrosion resistance

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bCutting ability

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cAbrasion resistance & toughness

✓


dElasticity & creep resistance

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Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of______________?


aFusion

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bVaporisation

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cTransition

✓


dNone of these

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View Answer Transition

Which of the following is not shipped in mild steel containers ?


aAcetone

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bAmmonia

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cEthyl alcohol

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dFormic acid

✓


View Answer Formic acid

Ceramic materials fabrication cannot be done by__________________?


aWelding

✓


bSlip casting

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cExtrusion

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dPlastic pressing

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View Answer Welding

Heat is added at constant temperature in an ideal ______________ cycle?


a Stirling

✓


bBrayton

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cRankine

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dNone of these

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View Answer Stirling

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