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Chemical Engineering Basics

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

Drilling
Enlarging
Boring
Counter boring

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Chemical Engineering Basics
Sub zero treatment of steel is done to

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

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Chemical Engineering Basics
Buoyancy force depends on the __________ the liquid.

Viscosity of
Depth of immersion in
Displaced mass of
Surface tension of

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Chemical Engineering Basics
The velocity of sound in air is independent of changes in its

Temperature
None of these
Humidity
Pressure

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Chemical Engineering Basics
The basic function of the drum in a boiler is to

Act as a storage for steam
Separate steam from water
Act as a storage for feed water
Remove settling impurities from steam

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Chemical Engineering Basics
Hydrogen in liquid steels is dissolved

In the molecular form
As tiny gas bubbles
In the ionic form
In the atomic form

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