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


bLow pressure and low temperature


cHigh pressure and low temperature


d High pressure and high temperature



Teflon (PTFE) is corroded by_______________?


aHydrochloric acid (10%)


bHydrochloric acid (95%)


cSulphuric acid


dNone of these


View Answer None of these

Liners of a ball mill are never made of__________________?


aLead


bAlloy steel


cRubber or ceramic material


dCast iron


View Answer Lead

Which of the following undergoes granular fracture ?


aWrought iron


bSteel


cCast iron


dNone of these


View Answer Steel

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


aNickel or glass lined steel


bAluminium


cTantalum


dLead



Presence of manganese in alloy steel improves its___________________?


aCorrosion resistance


bCutting ability


cAbrasion resistance & toughness


dElasticity & creep resistance



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


aFusion


bVaporisation


cTransition


dNone of these


View Answer Transition

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


aAcetone


bAmmonia


cEthyl alcohol


dFormic acid


View Answer Formic acid

Ceramic materials fabrication cannot be done by__________________?


aWelding


bSlip casting


cExtrusion


dPlastic pressing


View Answer Welding

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


a Stirling


bBrayton


cRankine


dNone of these


View Answer Stirling

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