Compressors, Gas Turbines and Jet Engines
Intercooling in gas turbines

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

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Compressors, Gas Turbines and Jet Engines
In air compressors, free air delivery means the

Volume of air sucked by the compressor during its suction stroke
None of the listed here
Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions
Volume of air delivered by the compressor

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