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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The maximum temperature in a gas turbine is

200°C
500°C
1000°C
700°C

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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
Pressure ratio
Pressure coefficient
Slip factor

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Compressors, Gas Turbines and Jet Engines
The performance of air compressor at high altitudes will be ________ as compared to that at sea level.

Same
Lower
None of these
Higher

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Compressors, Gas Turbines and Jet Engines
Work ratio of a gas turbine plant is ratio of

Work done by turbine and heat supplied
Net work output and heat supplied
Net work output and work done by turbine
Work done by turbine and net work output

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

Equal to
Less than
None of the listed here
More than

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Compressors, Gas Turbines and Jet Engines
In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of

Vacuum
Atmospheric air
Compressed air
Oxygen alone

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