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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of

0.85
0.99
0.75
0.9

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Compressors, Gas Turbines and Jet Engines
The criterion of the thermodynamic efficiency for rotary compressor is

Isothermal compression
Polytropic compression
Isentropic compression
None of the listed here

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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

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

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Compressors, Gas Turbines and Jet Engines
A jet engine works on the principle of conservation of

Energy
Mass
Linear momentum
Flow

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

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

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Compressors, Gas Turbines and Jet Engines
A centrifugal compressor works on the principle of

Generating pressure directly
Conversion of pressure energy into kinetic energy
Conversion of kinetic energy into pressure energy
Centripetal action

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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