Compressors, Gas Turbines and Jet Engines Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on Stagnation pressure at the outlet Pressure ratio Mass flow rate Change in load Stagnation pressure at the outlet Pressure ratio Mass flow rate Change in load ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a closed cycle gas turbine, the air is compressed Isentropically Isothermally None of these Polytropically Isentropically Isothermally None of these Polytropically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor Higher average velocities Aerofoil blades are used Higher pressure ratio per stage Larger air handling ability per unit frontal area Higher average velocities Aerofoil blades are used Higher pressure ratio per stage Larger air handling ability per unit frontal area ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust of a jet propulsion power unit can be increased by Burning fuel after gas turbine Injecting water into the compressor Injecting ammonia into the combustion chamber All of these Burning fuel after gas turbine Injecting water into the compressor Injecting ammonia into the combustion chamber All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about air receivers? These act as reservoir to take care of sudden demands These knock out some oil and moisture These are used to dampen pulsations These increase compressor efficiency These act as reservoir to take care of sudden demands These knock out some oil and moisture These are used to dampen pulsations These increase compressor efficiency 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 0.005 0.001 0.01 0.05 0.005 0.001 0.01 0.05 ANSWER DOWNLOAD EXAMIANS APP