Compressors, Gas Turbines and Jet Engines The maximum temperature in a gas turbine is 700°C 500°C 1000°C 200°C 700°C 500°C 1000°C 200°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio in gas turbines Do not damage turbine blades Improves thermal efficiency Increases power output Reduces exhaust temperature Do not damage turbine blades Improves thermal efficiency Increases power output Reduces exhaust temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Atmospheric air Compressed air Oxygen alone Vacuum Atmospheric air Compressed air Oxygen alone Vacuum ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because These engines can work on several fuels They can generate very high thrust They have high propulsion efficiency They are not air breathing engines These engines can work on several fuels They can generate very high thrust They have high propulsion efficiency They are not air breathing engines ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines 1 m of air at atmospheric condition weighs approximately 1.3 kg 0.5 kg 2.2 kg 1.0 kg 1.3 kg 0.5 kg 2.2 kg 1.0 kg ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression though most efficient, but is not practicable because It does not increase pressure much Compressor has to run at very slow speed to achieve it It is impossible in practice It requires very big cylinder It does not increase pressure much Compressor has to run at very slow speed to achieve it It is impossible in practice It requires very big cylinder ANSWER DOWNLOAD EXAMIANS APP