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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

0.41736111111111
0.83402777777778
0.62569444444444
2.5006944444444

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Compressors, Gas Turbines and Jet Engines
Losses in a centrifugal compressor are due to

Inlet losses
Diffuser losses
All of the listed here
Impeller channel losses

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

None of the listed here
More than
Equal to
Less than

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Compressors, Gas Turbines and Jet Engines
The air is delivered ________ in one revolution in case of a three lobbed rotor.

Six times
Two times
Four times
Three times

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Compressors, Gas Turbines and Jet Engines
The ideal efficiency of simple gas turbine cycle depends on

Maximum cycle temperature
All of these
Minimum cycle temperature
Pressure ratio

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Compressors, Gas Turbines and Jet Engines
The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called

Degree of reaction
Slip factor
Pressure ratio
Pressure coefficient

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