Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Increases None of these Decreases Does not change Increases None of these Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 20 - 30% 60 - 70% 70 - 90% 40 - 50% 20 - 30% 60 - 70% 70 - 90% 40 - 50% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work ratio of simple gas turbine cycle depends on All of these Minimum cycle temperature Pressure ratio Maximum cycle temperature All of these Minimum cycle temperature Pressure ratio Maximum cycle temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In axial flow compressor, exit flow angle deviation from the blade angle is a function of Blade camber and incidence angle Blade camber Space-chord ratio Blade camber and space-chord ratio Blade camber and incidence angle Blade camber Space-chord ratio Blade camber and space-chord ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression Better lubrication is possible advantages of multistage Mechanical balance is better More loss of air due to leakage past the cylinder Air can be cooled perfectly in between Better lubrication is possible advantages of multistage Mechanical balance is better More loss of air due to leakage past the cylinder Air can be cooled perfectly in between ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor performance at higher altitude compared to sea level will be Higher Same Dependent on other factors Lower Higher Same Dependent on other factors Lower ANSWER DOWNLOAD EXAMIANS APP