Chemical Engineering Basics - Chemical Engineering Questions and Answers

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Often earing defects are found during deep drawing operation, because the

surface finish of the sheet is poor.

sheet material has been given substantial spring back.

starting sheet has planer anisotropy due to its texture.

starting sheet has normal anitropy due to its texture.

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__________ is not a case hardening process.

Carburising

Nitriding

Cyaniding

Annealing

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Which one can be directly solidified from gaseous state wihtout entering into liquid state ?

Helium

Oxygen

Carbon dioxide

None of these

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Which of the following is termed as the boiler mounting ?

Superheater

Economiser

Blow off cock

Feed pump

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Shock resisting steels should possess high

hardness

toughness

tensile strength

wear resistance

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Fatigue life is expected to increase by

increasing the size of the sample.

smooth polishing of the surface of the sample.

having compressive residual stresses at the surface.

having tensile residual stresses at the surface.

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Specific __________ is a dimensionless quantity.

heat

humidity

weight

none of these

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__________ is not used as the control rod material in a nuclear reactor.

Cobalt

Hafnium

Cadmium

Boron

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Superheated vapour behaves like

dry steam

gas approximately

an ordinary vapor

none of these