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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Which of the following fuels can be used in turbojet engines?

Kerosene
Liquid hydrogen
High speed diesel oil
Methyl alcohol

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Compressors, Gas Turbines and Jet Engines
The capacity of a compressor is expressed in

m³/kg
kg/m²
m³/min
kg/m³

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Compressors, Gas Turbines and Jet Engines
Reheating in a gas turbine

Increases the thermal efficiency
Increases the compressor work
Increases the turbine work
Decreases the thermal efficiency

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Compressors, Gas Turbines and Jet Engines
Actual compression curve is

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

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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

Compression ratio
Pressure ratio
Work ratio
None of these

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Compressors, Gas Turbines and Jet Engines
For speed above 3000 km/hour, it is more advantageous to use

Rockets
Ramjet engine
Turbojet engine
Propellers

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