Compressors, Gas Turbines and Jet Engines Free air is the air at Atmospheric conditions at any specific location 20°C and 1 kg/cm² and relative humidity of 36% 15°C and 1 kg/cm² 0°C and standard atmospheric conditions Atmospheric conditions at any specific location 20°C and 1 kg/cm² and relative humidity of 36% 15°C and 1 kg/cm² 0°C and standard atmospheric conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stator Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stator Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stage ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to 20°C and 1 kg/cm² 0°C and 1 kg/cm² Intake temperature and pressure conditions N.T.P. conditions 20°C and 1 kg/cm² 0°C and 1 kg/cm² Intake temperature and pressure conditions N.T.P. conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Both (A) and (B) above Fully insulating the cylinder Cold water spray Multistage compression Both (A) and (B) above Fully insulating the cylinder Cold water spray Multistage compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Polytropic Adiabatic Isothermal None of these Polytropic Adiabatic Isothermal None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Allows operation at very high altitudes Decreases heat loss is exhaust Increases thermal efficiency Allows high compression ratio Allows operation at very high altitudes Decreases heat loss is exhaust Increases thermal efficiency Allows high compression ratio ANSWER DOWNLOAD EXAMIANS APP