Compressors, Gas Turbines and Jet Engines The pressure and temperature conditions of air at the suction of compressor are Atmospheric Slightly less than atmospheric Slightly more than atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Atmospheric Slightly less than atmospheric Slightly more than atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 7: 1 50: 1. 15: 1 30: 1 7: 1 50: 1. 15: 1 30: 1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will Increase first at fast rate and then slow Decrease continuously First increase, reach maximum and then decrease Increase first at slow rate and then fast Increase first at fast rate and then slow Decrease continuously First increase, reach maximum and then decrease Increase first at slow rate and then fast ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because They can generate very high thrust They have high propulsion efficiency They are not air breathing engines These engines can work on several fuels They can generate very high thrust They have high propulsion efficiency They are not air breathing engines These engines can work on several fuels ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to steam turbine Has compressor and combustion chamber Has less efficiency Requires less space for installation All of these Has compressor and combustion chamber Has less efficiency Requires less space for installation All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is Can't be compared Lower Higher Equal Can't be compared Lower Higher Equal ANSWER DOWNLOAD EXAMIANS APP