Compressors, Gas Turbines and Jet Engines The thrust on the rotor in a centrifugal compressor is produced by Radial component None of these Tangential component Axial component Radial component None of these Tangential component Axial component ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor with clearance volume May increase/decrease depending on compressor capacity Increases with increase in compression ratio Decreases with increase in compression ratio In not dependent upon compression ratio May increase/decrease depending on compressor capacity Increases with increase in compression ratio Decreases with increase in compression ratio In not dependent upon compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermodynamic efficiency of rotary compressor is based on Isothermal compression Isentropic compression Adiabatic compression Polytropic compression Isothermal compression Isentropic compression Adiabatic compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct relating to rocket engines? The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel The exit velocities of exhaust gases are much higher than those in jet engine The stagnation conditions exist at the combustion chamber All of these The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel The exit velocities of exhaust gases are much higher than those in jet engine The stagnation conditions exist at the combustion chamber All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Multistage compression 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 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Reheating the air after partial expansion in the turbine Injecting water in/around combustion chamber Adding heat exchanger All of these Reheating the air after partial expansion in the turbine Injecting water in/around combustion chamber Adding heat exchanger All of these ANSWER DOWNLOAD EXAMIANS APP