Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 70 to 90% 40 to 60% 10 to 40% 60 to 70% 70 to 90% 40 to 60% 10 to 40% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A simple turbojet engine is basically A propeller system Ramjet engine Chemical rocket engine Gas turbine engine equipped with a propulsive nozzle and diffuse A propeller system Ramjet engine Chemical rocket engine Gas turbine engine equipped with a propulsive nozzle and diffuse ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In air breathing jet engine, the jet is formed by expanding Solids Plasma Liquid Highly heated atmospheric air Solids Plasma Liquid Highly heated atmospheric air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isentropic compression None of the listed here Polytropic compression Isothermal compression Isentropic compression None of the listed here Polytropic compression Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Generating pressure directly Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy Centripetal action Generating pressure directly Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy Centripetal action ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsion efficiency of the following order is obtained in practice 0.34 0.72 0.5 0.6 0.34 0.72 0.5 0.6 ANSWER DOWNLOAD EXAMIANS APP