Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Allows high compression ratio Increases thermal efficiency Decreases heat loss is exhaust Allows operation at very high altitudes Allows high compression ratio Increases thermal efficiency Decreases heat loss is exhaust Allows operation at very high altitudes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Decreases with decrease in compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio Increases with decrease in compression ratio Decreases with decrease in compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio Increases with decrease in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The most efficient method of compressing air is to compress it Adiabatically Isochronically Isothermally Isentropically Adiabatically Isochronically Isothermally Isentropically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Power to drive compressor to isothermal h.p. Work to compress air isothermally to work for actual compression Isothermal h.p. to adiabatic h.p. Isothermal h.p. to the BHP of motor Power to drive compressor to isothermal h.p. Work to compress air isothermally to work for actual compression Isothermal h.p. to adiabatic h.p. Isothermal h.p. to the BHP of motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Standard air is the air at 15°C and 1 kg/cm² 20°C and 1 kg/cm² and relative humidity 36% Atmospheric conditions at any specific location 0°C and standard atmospheric conditions 15°C and 1 kg/cm² 20°C and 1 kg/cm² and relative humidity 36% Atmospheric conditions at any specific location 0°C and standard atmospheric conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature 0.05 0.01 0.001 0.005 0.05 0.01 0.001 0.005 ANSWER DOWNLOAD EXAMIANS APP
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