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Chemical Engineering Basics

Chemical Engineering Basics
Nitrogen is not an essential component of

Protein
Oils & fats
Any of these
Urea

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

Counter boring
Boring
Enlarging
Drilling

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Chemical Engineering Basics
The stress at which a metal fails by fatigue lies

None of these
In the plastic range
Near the fracture point of the stress-strain curve
In the elastic range

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Chemical Engineering Basics
Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

0.044444444444444
0.084027777777778
0.043055555555556
0.042361111111111

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Chemical Engineering Basics
__________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength.

Lancing
Shot peening
Slugging
Spinning

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Chemical Engineering Basics
Oxyacetylene reducing flame is used while carrying out welding on

Grey cast iron
Mild steel
Alloy steel
High carbon steel

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