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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
In gas turbines, high thermal efficiency is obtained in

Closed cycle
Closed cycle & Open cycle
Closed/open depending on other considerations
Open cycle

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Compressors, Gas Turbines and Jet Engines
The hottest point in a gas turbine is

between ~ to i of the blade height
at the tip
in the center
at the base

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Compressors, Gas Turbines and Jet Engines
More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than

10 kg/cm²
6 kg/cm²
14.7 kg/cm²
2 kg/cm²

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Compressors, Gas Turbines and Jet Engines
The gas in cooling chamber of a closed cycle gas turbine is cooled at

Constant volume
Constant temperature
Constant pressure
None of the listed here

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

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

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Compressors, Gas Turbines and Jet Engines
Rotary compressor is best suited for

Large quantity of air at high pressure
Small quantity of air at high pressure
Small quantity of air at low pressure
Large quantity of air at low pressure

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