Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It can fly at high elevations It has high propulsive efficiency at high speeds It has high power for take off It can fly at supersonic speeds It can fly at high elevations It has high propulsive efficiency at high speeds It has high power for take off It can fly at supersonic speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor. Outlet whirl velocity Inlet velocity of flow Inlet whirl velocity Outlet velocity of flow Outlet whirl velocity Inlet velocity of flow Inlet whirl velocity Outlet velocity of flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is Clearance volume and leakages Superheating in compressor Pressure drop across the valves All of these Clearance volume and leakages Superheating in compressor Pressure drop across the valves All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is None of these Same Lower Higher None of these Same Lower Higher ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 40 to 60% 70 to 90% 10 to 40% 60 to 70% 40 to 60% 70 to 90% 10 to 40% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A machine used to raise the pressure of air is called Compressor Gas turbine Air motor I.C engine Compressor Gas turbine Air motor I.C engine ANSWER DOWNLOAD EXAMIANS APP
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