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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
It is not possible to use closed gas turbine cycle in aeronautical engines because

None of these
It is bulky
It is inefficient
It requires cooling water for its operation

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Compressors, Gas Turbines and Jet Engines
Gas turbines for power generation are normally used

To supply peak load requirements
To enable start thermal power plant
To supply base load requirements
In emergency

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Compressors, Gas Turbines and Jet Engines
Inter-cooling in multistage compressors is done

To cool the air during compression
To enable compression in two stages
To minimize the work of compression
To cool the air at delivery

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Compressors, Gas Turbines and Jet Engines
The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as

Mechanical efficiency
Isothermal efficiency
Volumetric efficiency
Compressor efficiency

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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

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

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Compressors, Gas Turbines and Jet Engines
The pressure and temperature conditions of air at the suction of compressor are

Atmospheric
Slightly more than atmospheric
Pressure slightly less than atmospheric and temperature slightly more than atmospheric
Slightly less than atmospheric

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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