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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A closed cycle gas turbine consists of a

Compressor
All of these
Cooling chamber
Heating chamber

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Compressors, Gas Turbines and Jet Engines
A simple turbojet engine is basically

Ramjet engine
Chemical rocket engine
A propeller system
Gas turbine engine equipped with a propulsive nozzle and diffuse

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Compressors, Gas Turbines and Jet Engines
Actual compression curve is

Same as isothermal
In between isothermal and adiabatic
Better than isothermal and adiabatic
Same as adiabatic

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Compressors, Gas Turbines and Jet Engines
Reheating in multistage expansion gas turbine results in

Reduction in compressor work
Maximum work output
High thermal efficiency
Decrease of heat loss in exhaust

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Compressors, Gas Turbines and Jet Engines
The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature.

Equal to
More than
None of these
Less than

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

0.33402777777778
0.20902777777778
3.5 : 1
0.50069444444444

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