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Chemical Engineering Basics

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

Flakes
Spheroids
Nodular aggregates of graphite
Cementite

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

Asbestos cement
Concrete
Cast iron
Mild steel

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Chemical Engineering Basics
Paint spray gun works on the principle of

Boyle's law
Newton's law of viscosity
Bernoulli's theorem
None of these

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Chemical Engineering Basics
Shaft/rotor speed is most accurately measured by a

Strobometer
Frequency counter
Tachometer
Speedometer

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Chemical Engineering Basics
Blast furnace slag is mainly molten

Calcium silicate
Sand
Iron pyrite
Magnesium silicate

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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.

200
300
400
150

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