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CHEMICAL ENGINEERING BASICS

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

Feed water pump
Blow off cock
Stop valve
Feed check valve

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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.

Shot peening
Lancing
Slugging
Spinning

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Chemical Engineering Basics
Hydrogen in liquid steels is dissolved

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

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Chemical Engineering Basics
Laser welding is widely employed in the __________ industries.

Heavy
Structural
Electronic
Process

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Chemical Engineering Basics
Air refrigeration cycle is used in the air crafts, because of

Its higher co-efficient of performance (COP)
Its low unit weight per ton of refrigeration
Its high heat transfer rate
Low temperature encountered at high altitude

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