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Compressors, Gas Turbines and Jet Engines

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

Work ratio
Compression ratio
Pressure ratio
None of these

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Compressors, Gas Turbines and Jet Engines
The ratio of work-done per cycle to the stroke volume of the compressor is known as

Compression ratio
Mean effective pressure
Compressor capacity
Compressor efficiency

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Compressors, Gas Turbines and Jet Engines
High air-fuel ratio is used in gas turbines

To reduce the exit temperature
To increase the efficiency
To increase the output
To save fuel

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Compressors, Gas Turbines and Jet Engines
Volumetric efficiency of a compressor decreases with ________ in compression ratio.

Decrease
Remain same
Does not change
Increase

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Compressors, Gas Turbines and Jet Engines
The inlet pressure is always ___ the discharge pressure.

Less than
None of the listed here
Equal to
More than

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Compressors, Gas Turbines and Jet Engines
Maximum delivery pressure is a rotary air compressor is of the order of

10 kg/cm²
6 kg/cm²
25 kg/cm²
16 kg/cm²

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