Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbines has flat efficiency at part loads Gas turbine requires lot of cooling water Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbines has flat efficiency at part loads Gas turbine requires lot of cooling water Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the discharge pressure to the inlet pressure of air is called Expansion ratio Compression ratio Compressor efficiency Volumetric efficiency Expansion ratio Compression ratio Compressor efficiency Volumetric efficiency 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 temperature drop in the stage Total adiabatic temperature drop Adiabatic temperature drop in the stage Total temperature drop Total temperature drop in the stage Total adiabatic temperature drop ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression though most efficient, but is not practicable because Compressor has to run at very slow speed to achieve it It does not increase pressure much It requires very big cylinder It is impossible in practice Compressor has to run at very slow speed to achieve it It does not increase pressure much It requires very big cylinder It is impossible in practice ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In air breathing jet engine, the jet is formed by expanding Liquid Highly heated atmospheric air Plasma Solids Liquid Highly heated atmospheric air Plasma Solids ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. None of these Compressed atmospheric air Its own oxygen Surrounding air None of these Compressed atmospheric air Its own oxygen Surrounding air ANSWER DOWNLOAD EXAMIANS APP
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