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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
700°C
1000°C

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Compressors, Gas Turbines and Jet Engines
The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio

Increases
Decreases
First increases and then decreases
First decreases and then increases

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Compressors, Gas Turbines and Jet Engines
The thermal efficiency of a gas turbine as compared to a diesel plant is

More
Depends on other factors
Same
Less

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Compressors, Gas Turbines and Jet Engines
1 m of air at atmospheric condition weighs approximately

1.0 kg
1.3 kg
0.5 kg
2.2 kg

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Compressors, Gas Turbines and Jet Engines
Losses in a centrifugal compressor are due to

All of the listed here
Impeller channel losses
Inlet losses
Diffuser losses

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Compressors, Gas Turbines and Jet Engines
The inlet pressure is always ___ the discharge pressure.

None of the listed here
More than
Equal to
Less than

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