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Chemical Engineering Basics

Chemical Engineering Basics
Atomic __________ of an element is a whole number.

Weight
Radius
Volume
Number

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Chemical Engineering Basics
Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.

Brinell
Vicker's
Knoop
Rockwell

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Chemical Engineering Basics
In a casting, cold shut defect is caused by

Very low mould permeability
Melt-mould reactions
Faulty gating system
Low pounhg temperature

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Chemical Engineering Basics
Copper is not present as an alloying constituent in

Silicon bronze
Delta metal
Constantan
Nichrome

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Chemical Engineering Basics
__________ of hard alloy and tool steel is done to make it easily machinable.

Annealing
Normalising
Case carburising
Tempering

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Chemical Engineering Basics
Chlorine acts as a bleaching agent only in the presence of

Pure oxygen
Dry air
Sunlight
Moisture

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