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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The ratio of isentropic work to Euler’s work is known as

Euler
Compressor efficiency
Isentropic efficiency
Pressure coefficient

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Compressors, Gas Turbines and Jet Engines
To avoid moisture troubles, the branch connections from compressed air lines should be taken from

Bottom side of main
Right side of main
Top side of main
Left side of main

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Compressors, Gas Turbines and Jet Engines
Work ratio of a gas turbine may be improved by

Increasing the compression work
Increasing the turbine work
Decreasing the compression work
Both (A) and (C) above

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

Polytropic compression
Isentropic compression
None of the listed here
Isothermal compression

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Compressors, Gas Turbines and Jet Engines
In a jet engine, the air-fuel ratio is

1.2506944444444
1.6673611111111
2.5006944444444
2.0840277777778

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

50: 1.
15: 1
30: 1
7: 1

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