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Chemical Engineering Basics

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

Tachometer
Strobometer
Frequency counter
Speedometer

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Chemical Engineering Basics
Super conduction in metals is observed at a temperature of __________ °K.

>100
About 273
About 373

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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
Causes heat loss due to poor heat transfer
Is immaterial

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Chemical Engineering Basics
Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

1.2090277777778
0.37569444444444
0.70902777777778
0.95902777777778

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Chemical Engineering Basics
Creep consideration is the most important in case of the

Blades of gas turbines
Cycle chains
Steam engine flywheel
Cast iron pipes

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Chemical Engineering Basics
Toughness of a material is measured by the

Vicker's hardness test
Notched bar test
Scratch test
Universal testing machine

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MORE MCQ ON Chemical Engineering Basics

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