Compressors, Gas Turbines and Jet Engines The pressure ratio in gas turbines is of the order of 2.5423611111111 0.16736111111111 0.084027777777778 0.37569444444444 2.5423611111111 0.16736111111111 0.084027777777778 0.37569444444444 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Collect more air Convert kinetic energy of air into pressure energy Beautify the shape Provide robust structure Collect more air Convert kinetic energy of air into pressure energy Beautify the shape Provide robust structure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Increases Remain constant First decreases and then increases Decreases Increases Remain constant First decreases and then increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air is delivered ________ in one revolution in case of a three lobbed rotor. Six times Two times Three times Four times Six times Two times Three times Four times ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To increase the efficiency To reduce the exit temperature To increase the output To save fuel To increase the efficiency To reduce the exit temperature To increase the output To save fuel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Cold water spray Fully insulating the cylinder Multistage compression Both (A) and (B) above Cold water spray Fully insulating the cylinder Multistage compression Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP