Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Decreases heat loss is exhaust Increases thermal efficiency Allows operation at very high altitudes Allows high compression ratio Decreases heat loss is exhaust Increases thermal efficiency Allows operation at very high altitudes Allows high compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air power of the compressor is also known as Frictional power Brake power None of these Indicated power Frictional power Brake power None of these Indicated power ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have Low weight and small frontal area Small frontal area and high h.p. High h.p. and low weight High speed and high h.p. Low weight and small frontal area Small frontal area and high h.p. High h.p. and low weight High speed and high h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Decrease None of these Remain same Increase Decrease None of these Remain same Increase 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 Hydrogen Ammonia and water vapour Nitrogen Carbon dioxide Hydrogen Ammonia and water vapour 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
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