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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Air-fuel ratio in a jet engine will be of the order of

0.83402777777778
0.62569444444444
2.5006944444444
0.41736111111111

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Compressors, Gas Turbines and Jet Engines
Which of the following plants is smallest and lightest for generating a given amount of power?

Solar plant
Diesel engine
Gas turbine plant
Petrol engine

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Compressors, Gas Turbines and Jet Engines
Gas turbine cycle with regenerator

Allows operation at very high altitudes
Allows high compression ratio
Decreases heat loss is exhaust
Increases thermal efficiency

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Compressors, Gas Turbines and Jet Engines
The volume of air delivered by the compressor is called

Swept volume
Free air delivery
None of the listed here
Compressor capacity

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Compressors, Gas Turbines and Jet Engines
The efficiency and work ratio of a gas turbine plant can be increased by

All of these
Injecting water in/around combustion chamber
Adding heat exchanger
Reheating the air after partial expansion in the turbine

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Compressors, Gas Turbines and Jet Engines
The compression ratio for the compressor is always _________ unity.

Less than
Equal to
More than
None of these

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