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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Cylinder clearance in a compressor should be

About 100% of swept volume
As large as possible
As small as possible
About 50% of swept volume

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Compressors, Gas Turbines and Jet Engines
Maximum work is done in compressing air when the compression is

Polytropic
Isothermal
Adiabatic
None of these

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Compressors, Gas Turbines and Jet Engines
Reciprocating air compressor is best suited for

Small quantity of air at low pressure
Large quantity of air at high pressure
Large quantity of air at low pressure
Small quantity of air at high pressure

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Compressors, Gas Turbines and Jet Engines
The blades of gas turbine are made of

Carbon steel
High alloy steel
High nickel alloy
Stainless steel

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Compressors, Gas Turbines and Jet Engines
The volumetric efficiency of a compressor

Decreases with decrease in compression ratio
Increases with increase in compression ratio
Decreases with increase in compression ratio
Increases with decrease in compression ratio

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Compressors, Gas Turbines and Jet Engines
More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than

10 kg/cm²
2 kg/cm²
6 kg/cm²
14.7 kg/cm²

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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