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

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

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Compressors, Gas Turbines and Jet Engines
Intercooling in gas turbines

Decreases net output but increases thermal efficiency
Decreases net output and thermal efficiency both
Increases net output and thermal efficiency both
Increases net output but decreases thermal efficiency

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Compressors, Gas Turbines and Jet Engines
Ratio of compression is the ratio of

Absolute discharge pressure to the absolute intake pressure
Pressures at discharge and suction corresponding to same temperature
Stroke volume and clearance volume
Gauge discharge pressure to the gauge intake pressure

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