Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Decreases with increase in compression ratio Is not dependent upon compression ratio Increases with increase in compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Is not dependent upon compression ratio Increases with increase in compression ratio May increase/decrease depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Decrease Does not change Remain same Increase Decrease Does not change Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression though most efficient, but is not practicable because It is impossible in practice It requires very big cylinder Compressor has to run at very slow speed to achieve it It does not increase pressure much It is impossible in practice It requires very big cylinder Compressor has to run at very slow speed to achieve it It does not increase pressure much ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A machine used to raise the pressure of air is called Compressor Gas turbine I.C engine Air motor Compressor Gas turbine I.C engine Air motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression More loss of air due to leakage past the cylinder Air can be cooled perfectly in between Mechanical balance is better Better lubrication is possible advantages of multistage More loss of air due to leakage past the cylinder Air can be cooled perfectly in between Mechanical balance is better Better lubrication is possible advantages of multistage ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is More/less depending on compressor capacity Less Same More More/less depending on compressor capacity Less Same More ANSWER DOWNLOAD EXAMIANS APP