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)/2g (v₁² -v₂²)/g (v₁ - v₂)²/2g (v₁ - v₂)²/g (v₁² -v₂²)/2g (v₁² -v₂²)/g (v₁ - v₂)²/2g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket works with maximum overall efficiency when air craft velocity is equal to the Half the jet velocity Twice the jet velocity Jet velocity Average of the jet velocity Half the jet velocity Twice the jet velocity Jet velocity Average of the jet velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about air receivers? These are used to dampen pulsations These act as reservoir to take care of sudden demands These knock out some oil and moisture These increase compressor efficiency These are used to dampen pulsations These act as reservoir to take care of sudden demands These knock out some oil and moisture These increase compressor efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The assumption made in two stage compression with inter-cooler is that There is no pressure drop in the inter-cooler All of the listed here The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure There is no pressure drop in the inter-cooler All of the listed here The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter cooling in compressors Enables compression in two stages Cools the delivered air Results in saving of power in compressing a given volume to given pressure Is the standard practice for big compressors Enables compression in two stages Cools the delivered air Results in saving of power in compressing a given volume to given pressure Is the standard practice for big compressors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity is defined as the Volume of air sucked by the compressor during its suction stroke None of these Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air delivered by the compressor Volume of air sucked by the compressor during its suction stroke None of these Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air delivered by the compressor ANSWER DOWNLOAD EXAMIANS APP