As the compression ratio increases the volumetric efficiency of air compressor

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• A gas turbine cycle operates through pressures ratio of 5. Air enters the compressor at atmospheric pressure and 25?C and entry to the turbine is at 800?C. The thermal efficiency of the plant has been found to be 37%. Now, if compressor and turbine efficiencies of 80% are taken into account, the value, of thermal efficiency will be
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• The thermal efficiency of a dual cycle engine with fixed compression ratio and fixed quantity of het and with increase in pressure ratio, will
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• If the pressures at the beginning and end of compression in an Otto cycle engine are 1 kg/cm2 and 8 kg/cm2 respectively the air standard efficiency will be
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