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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Mechanical efficiency of gas turbines as compared to I.C engines is

Same
Lower
None of these
Higher

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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

Volumetric efficiency
Mechanical efficiency
Compressor efficiency
Isothermal efficiency

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Compressors, Gas Turbines and Jet Engines
The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature.

None of these
More than
Less than
Equal to

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Compressors, Gas Turbines and Jet Engines
The velocity of air entering in a rocket is ___ as compared to an aircraft.

Less
Same
More
Zero

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Compressors, Gas Turbines and Jet Engines
The pressure ratio in gas turbines is of the order of

0.16736111111111
2.5423611111111
0.37569444444444
0.084027777777778

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Compressors, Gas Turbines and Jet Engines
The ratio of the net work obtained from the gas turbine plant to the turbine work is known as

None of these
Compression ratio
Work ratio
Pressure ratio

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