Compressors, Gas Turbines and Jet Engines
The compressor capacity is defined as the

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

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Compressors, Gas Turbines and Jet Engines
The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is

Bled gas from turbine is heated and readmitted for complete expansion
Heated
Compressed air before entering the combustion chamber is heated
Exhaust gases drive the compressor

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