Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Oxygen alone Compressed air Atmospheric air Vacuum Oxygen alone Compressed air Atmospheric air Vacuum ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During peak load periods, the best method of controlling compressors is Relief valve Start-stop motor Constant speed unloader Variable speed Relief valve Start-stop motor Constant speed unloader Variable speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as Slip factor Work factor Pressure coefficient Degree of reaction Slip factor Work factor Pressure coefficient Degree of reaction ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be Backward curved Forward curved None of the listed here Radial Backward curved Forward curved None of the listed here Radial ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation 1.0% 0.5% 0.1% 5% 1.0% 0.5% 0.1% 5% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following fuels can be used in turbojet engines? High speed diesel oil Liquid hydrogen Methyl alcohol Kerosene High speed diesel oil Liquid hydrogen Methyl alcohol Kerosene ANSWER DOWNLOAD EXAMIANS APP