Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have High speed and high h.p. High h.p. and low weight Low weight and small frontal area Small frontal area and high h.p. High speed and high h.p. High h.p. and low weight Low weight and small frontal area Small frontal area and high h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. Surrounding air Compressed atmospheric air None of these Its own oxygen Surrounding air Compressed atmospheric air None of these Its own oxygen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 0.50069444444444 3.5 : 1 0.20902777777778 0.33402777777778 0.50069444444444 3.5 : 1 0.20902777777778 0.33402777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.9 0.99 0.75 0.85 0.9 0.99 0.75 0.85 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is Same May be less or more depending on ambient conditions Less More Same May be less or more depending on ambient conditions Less More ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the delivery pressure at the fourth stage will be 1 bar 64 bar 256 bar 16 bar 1 bar 64 bar 256 bar 16 bar ANSWER DOWNLOAD EXAMIANS APP