Compressors, Gas Turbines and Jet Engines In a jet engine, the air-fuel ratio is 2.0840277777778 1.6673611111111 2.5006944444444 1.2506944444444 2.0840277777778 1.6673611111111 2.5006944444444 1.2506944444444 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Decreases with decrease in compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio Increases with decrease in compression ratio Decreases with decrease in compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio Increases with decrease in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine blades are given a rake In the direction of motion of blades Opposite to the direction of motion of blades Depending on the velocity Equal to zero In the direction of motion of blades Opposite to the direction of motion of blades Depending on the velocity Equal to zero ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler’s work is known as Isentropic efficiency Compressor efficiency Euler Pressure coefficient Isentropic efficiency Compressor efficiency Euler Pressure coefficient ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Radial flow compressor Axial flow compressor Roots blower Reciprocating compressor Radial flow compressor Axial flow compressor Roots blower Reciprocating compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 70 to 90% 10 to 40% 40 to 60% 60 to 70% 70 to 90% 10 to 40% 40 to 60% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP