Compressors, Gas Turbines and Jet Engines The efficiency of jet engine is Lower at low speed Same at all altitudes Higher at high altitudes Higher at high speed Lower at low speed Same at all altitudes Higher at high altitudes Higher at high speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Maximum cycle temperature alone Minimum cycle temperature alone Both pressure ratio and maximum cycle temperature Pressure ratio alone Maximum cycle temperature alone Minimum cycle temperature alone Both pressure ratio and maximum cycle temperature Pressure ratio alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity with decrease in suction temperature May increase or decrease depending on compressor capacity Decreases Remain unaffected Increases May increase or decrease depending on compressor capacity Decreases Remain unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called Degree of reaction Pressure ratio Slip factor Pressure coefficient Degree of reaction Pressure ratio Slip factor Pressure coefficient ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the Adiabatic temperature drop in the stage Total temperature drop Total adiabatic temperature drop Total temperature drop in the stage Adiabatic temperature drop in the stage Total temperature drop Total adiabatic temperature drop Total temperature drop in the stage ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work-done per cycle to the stroke volume of the compressor is known as Compression ratio Mean effective pressure Compressor capacity Compressor efficiency Compression ratio Mean effective pressure Compressor capacity Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP