Compressors, Gas Turbines and Jet Engines
Rotary compressors are used for delivering

Small quantities of air at high pressures
Small quantities of air at low pressures
Large quantities of air at high pressures
Large quantities of air at low pressures

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Compressors, Gas Turbines and Jet Engines
Intercooling in gas turbines

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

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