Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 0.50069444444444 0.20902777777778 0.33402777777778 3.5 : 1 0.50069444444444 0.20902777777778 0.33402777777778 3.5 : 1 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
Compressors, Gas Turbines and Jet Engines Propulsion efficiency of the following order is obtained in practice 0.34 0.5 0.72 0.6 0.34 0.5 0.72 0.6 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reciprocating air compressor is best suited for Large quantity of air at low pressure Small quantity of air at high pressure Small quantity of air at low pressure Large quantity of air at high pressure Large quantity of air at low pressure Small quantity of air at high pressure Small quantity of air at low pressure Large quantity of air at high pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 60 - 70% 70 - 90% 20 - 30% 40 - 50% 60 - 70% 70 - 90% 20 - 30% 40 - 50% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Diffuser in a compressor is used to Convert pressure energy into kinetic energy Convert kinetic energy into pressure energy Increase velocity Make the flow streamline Convert pressure energy into kinetic energy Convert kinetic energy into pressure energy Increase velocity Make the flow streamline ANSWER DOWNLOAD EXAMIANS APP
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