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Compressors, Gas Turbines and Jet Engines

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

All of these
Cooling chamber
Heating chamber
Compressor

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

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

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Compressors, Gas Turbines and Jet Engines
The volumetric efficiency of a compressor

Increases with decrease in compression ratio
Decreases with decrease in compression ratio
Increases with increase in compression ratio
Decreases with increase in compression ratio

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Compressors, Gas Turbines and Jet Engines
The ratio of the discharge pressure to the inlet pressure of air is called

Volumetric efficiency
Expansion ratio
Compressor efficiency
Compression ratio

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Compressors, Gas Turbines and Jet Engines
Rotary compressors are suitable for

Large discharge at low pressure
Low discharge at low pressure
Large discharge at high pressure
Low discharge at high pressure

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Compressors, Gas Turbines and Jet Engines
The pressure and temperature conditions of air at the suction of compressor are

Slightly less than atmospheric
Pressure slightly less than atmospheric and temperature slightly more than atmospheric
Slightly more than atmospheric
Atmospheric

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