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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The efficiency of jet engine is

Lower at low speed
Higher at high speed
Same at all altitudes
Higher at high altitudes

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Compressors, Gas Turbines and Jet Engines
The compression ratio in a gas turbine is of the order of

3.5 : 1
0.20902777777778
0.33402777777778
0.50069444444444

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Compressors, Gas Turbines and Jet Engines
Mechanical efficiency of gas turbines as compared to I.C engines is

Lower
None of these
Same
Higher

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Compressors, Gas Turbines and Jet Engines
Isothermal compression efficiency can be attained by running the compressor

At very high speed
At very slow speed
At zero speed
At average speed

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Compressors, Gas Turbines and Jet Engines
Fighter bombers use following type of engine

Ramjet
Rocket
Turbo-propeller
Turbojet

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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
Pressure ratio
None of these
Compression ratio

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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