Compressors, Gas Turbines and Jet Engines The ratio of work-done per cycle to the stroke volume of the compressor is known as Mean effective pressure Compressor efficiency Compression ratio Compressor capacity Mean effective pressure Compressor efficiency Compression ratio Compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It has high propulsive efficiency at high speeds It can fly at supersonic speeds It has high power for take off It can fly at high elevations It has high propulsive efficiency at high speeds It can fly at supersonic speeds It has high power for take off It can fly at high elevations ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity with decrease in suction temperature Remain unaffected May increase or decrease depending on compressor capacity Increases Decreases Remain unaffected May increase or decrease depending on compressor capacity Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the cross compounding of the gas turbine plant All are connected in series H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine Both the arrangements can be employed All are connected in series H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine Both the arrangements can be employed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Phenomenon of choking in compressor means Reducing mass flow rate with increase in pressure ratio No flow of air Increased inclination of chord with air steam Fixed mass flow rate regardless of pressure ratio Reducing mass flow rate with increase in pressure ratio No flow of air Increased inclination of chord with air steam Fixed mass flow rate regardless of pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Cold water spray Multistage compression Fully insulating the cylinder Both (A) and (B) above Cold water spray Multistage compression Fully insulating the cylinder Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS