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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Turbofan engine employs

Solid fuel firing
No air stream
Two or more air streams
One air stream

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

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

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Compressors, Gas Turbines and Jet Engines
The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is

Same
Low
High
Low/high depending on make and type

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

2.5006944444444
0.83402777777778
0.62569444444444
0.41736111111111

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Compressors, Gas Turbines and Jet Engines
In air breathing jet engine, the jet is formed by expanding

Liquid
Plasma
Solids
Highly heated atmospheric air

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Compressors, Gas Turbines and Jet Engines
The absolute pressure of air at the outlet of a compressor is called

Critical pressure
Back pressure
None of the listed here
Discharge pressure

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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