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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Maximum delivery pressure is a rotary air compressor is of the order of

6 kg/cm²
10 kg/cm²
25 kg/cm²
16 kg/cm²

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Compressors, Gas Turbines and Jet Engines
The fuel consumption in gas turbines is accounted for by

Lower heating value
Higher heating value
Higher calorific value
Heating value

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

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

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Compressors, Gas Turbines and Jet Engines
Standard air is the air at ___ and relative humidity of 36 percent.

1 bar and 20°C
0.1 bar and 40°C
1 bar and 40°C
0.1 bar and 20°C

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Compressors, Gas Turbines and Jet Engines
Work ratio of a gas turbine may be improved by

Increasing the turbine work
Both (A) and (C) above
Increasing the compression work
Decreasing the compression work

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Compressors, Gas Turbines and Jet Engines
The ratio of work done per cycle to the swept volume in case of compressor is called

Compressor efficiency
Compression ratio
Mean effective pressure
Compression index

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