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CHEMICAL ENGINEERING BASICS

Chemical Engineering Basics
Ultimate strength in tension as compared to that in shear for steel is

One third
Half
One and half times
One fourth

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Chemical Engineering Basics
The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is

Radiation
Convection
Both A & B
Conduction

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Chemical Engineering Basics
Sub zero treatment of steel is done to

Induce temper brittleness after its hardening
Suppress martensite transformation
Enhance its working performance in sub zero atmosphere
Reduce the retained austenite in hardened steel

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Chemical Engineering Basics
'Flare tower' used in industry is meant for

Absorbing the pollutant gases from the furnace exhaust
Venting off (after burning) the excess inflammable/toxic gases at high pressure
None of these
Cooling of furnace exhaust gases

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Chemical Engineering Basics
A jig is used while __________ a hole.

Enlarging
Boring
Drilling
Counter boring

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