Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. Its own oxygen None of these Compressed atmospheric air Surrounding air Its own oxygen None of these Compressed atmospheric air Surrounding air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is Pressure drop across the valves Clearance volume and leakages All of these Superheating in compressor Pressure drop across the valves Clearance volume and leakages All of these Superheating in compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of jet engine is Same at all altitudes Higher at high speed Lower at low speed Higher at high altitudes Same at all altitudes Higher at high speed Lower at low speed Higher at high altitudes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of Higher thrust None of the listed here Low frontal area High pressure rise Higher thrust None of the listed here Low frontal area High pressure rise ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 0.20902777777778 3.5 : 1 0.50069444444444 0.33402777777778 0.20902777777778 3.5 : 1 0.50069444444444 0.33402777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Losses in a centrifugal compressor are due to Impeller channel losses Diffuser losses All of the listed here Inlet losses Impeller channel losses Diffuser losses All of the listed here Inlet losses ANSWER DOWNLOAD EXAMIANS APP