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Chemical Engineering Basics

Chemical Engineering Basics
Carbon is present in the form of __________ in grey cast iron.

Spheroids
Nodular aggregates of graphite
Cementite
Flakes

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

Blow off cock
Feed water pump
Stop valve
Feed check valve

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Chemical Engineering Basics
A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

150
300
400
200

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Chemical Engineering Basics
Lead is poured into the joints between two __________ pipes.

Cast iron
Plastic
Steel
Concrete

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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.

Slugging
Spinning
Shot peening
Lancing

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

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

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