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Chemical Engineering Basics

Chemical Engineering Basics
What is the value of included angle of a triangular notch for maximum discharge ?

120°
90°
30°
60°

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Chemical Engineering Basics
Which of the following is not used as a fuel in rocket propellaht ?

Liquid hydrogen
Liquid hydrazine
Kerosene oil
Liquid oxygen

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

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

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

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

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Chemical Engineering Basics
The total frictional resistance to fluid flow does not depend upon the

Roughness of the surface
Fluid pressure
Fluid density
Fluid velocity

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Chemical Engineering Basics
Which of the following is a boiler accessory i.e., not a boiler mounting ?

Feed check valve
Feed water pump
Stop valve
Blow off cock

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