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Chemical Engineering Basics

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

Speedometer
Frequency counter
Tachometer
Strobometer

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Chemical Engineering Basics
Powder metallurgy process does not make metal powder by

Hammering
Grinding/milling
Atomisation
Electrolytic deposition

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Chemical Engineering Basics
Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

Entropy
Volume
Pressure
Heat

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Chemical Engineering Basics
Which of the following welding processes employs the highest welding temperature ?

Arc welding
Gas welding
Thermit welding
Resistance welding

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Chemical Engineering Basics
Frost formation on the evaporator tubes in the domestic refrigerators

Can be prevented by proper design
Decreased compressor power
Is immaterial
Causes heat loss due to poor heat transfer

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Chemical Engineering Basics
A suitable lubricant used for watches is

Metallic soap solution
Grease
Hazel-nut oil
Palm oil

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