Compressors, Gas Turbines and Jet Engines The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as Isothermal efficiency Volumetric efficiency Compressor efficiency Mechanical efficiency Isothermal efficiency Volumetric efficiency Compressor efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of compressor with increase in compression ratio will Increase Decrease Remain same May increase or decrease depending on clearance volume Increase Decrease Remain same May increase or decrease depending on clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is More May be less or more depending on ambient conditions Same Less More May be less or more depending on ambient conditions Same Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor performance at higher altitude compared to sea level will be Same Higher Lower Dependent on other factors Same Higher Lower Dependent on other factors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Isothermal h.p. to adiabatic h.p. Work to compress air isothermally to work for actual compression Power to drive compressor to isothermal h.p. Isothermal h.p. to the BHP of motor Isothermal h.p. to adiabatic h.p. Work to compress air isothermally to work for actual compression Power to drive compressor to isothermal h.p. Isothermal h.p. to the BHP of motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on Stagnation pressure at the outlet Pressure ratio Change in load Mass flow rate Stagnation pressure at the outlet Pressure ratio Change in load Mass flow rate ANSWER DOWNLOAD EXAMIANS APP