Compressors, Gas Turbines and Jet Engines The thrust of a jet propulsion power unit can be increased by Burning fuel after gas turbine Injecting water into the compressor All of these Injecting ammonia into the combustion chamber Burning fuel after gas turbine Injecting water into the compressor All of these Injecting ammonia into the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Carbon dioxide Ammonia and water vapour Hydrogen Nitrogen Carbon dioxide Ammonia and water vapour Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Fighter bombers use following type of engine Ramjet Turbo-propeller Turbojet Rocket Ramjet Turbo-propeller Turbojet Rocket ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Increases First decreases and then increases Remain constant Decreases Increases First decreases and then increases Remain constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁ - v₂)²/2g (v₁² -v₂²)/2g (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁ - v₂)²/2g (v₁² -v₂²)/2g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It has high propulsive efficiency at high speeds It can fly at supersonic speeds It has high power for take off It can fly at high elevations It has high propulsive efficiency at high speeds It can fly at supersonic speeds It has high power for take off It can fly at high elevations ANSWER DOWNLOAD EXAMIANS APP
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