Chemical Engineering Basics Mcqs

Q.  The Al2O3 content of cryolite in Hall-Heroult cell is maintained between _______________ percent ?

a. 2-5
b. 18-20
c. 12-15
d. 6-12


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MCQs:  Strain hardening effect in metals subjected to cold working is due to the _______________ mechanism?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Hardening of steel is not possible, unless it is heated _________________ critical point ?
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MCQs:  For the irreversible reaction, Ca+ 2C = Ca C2 , Δ H°298 = – 60000 J . mole-1 . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Cascade control is___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete oxidation of un-burnt hydrocarbons is___________________?
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MCQs:  Satellite is a _________________ material?
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MCQs:  _______________ number determines whether the fluid flow in an open channel is super-critical, critical or sub-critical ?
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MCQs:  Spheroidising of a material is a/an ________________ process?
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MCQs:  Pearlite comprises of__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Transformer cores are normally made from ______________________?
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MCQs:  Non-ferrous alloys used for making cutting tools need not have high__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Coating provided on the electrodes used in the arc welding is not expected to_________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The type of pump used for lifting large quantity of sewage is a _________________ pump ?
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MCQs:  Thermal conductivity of a material does not depend upon its_____________________?
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MCQs:  The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the ______________ of a boiler ?
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MCQs:  The excess air required for the combustion of pulverized coal is of the order of about _______________ percent ?
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MCQs:  Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by _____________ have residual stresses ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are _______________ respectively ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Heat release during phase change is observed in case of a/an_________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Carbon supply in pack carburising process is in the form of ___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts