Compressors, Gas Turbines and Jet Engines The overall efficiency of the compressed air system is the Ratio of shaft input to the compressor to the shaft output of air motor Product of shaft output of air motor and shaft input to the compressor None of these Ratio of shaft output of the air motor to the shaft input to the compressor Ratio of shaft input to the compressor to the shaft output of air motor Product of shaft output of air motor and shaft input to the compressor None of these Ratio of shaft output of the air motor to the shaft input to the compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity V = Uo U < Vo Vi = Vo Vt > Vo V = Uo U < Vo Vi = Vo Vt > Vo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Euler's equation can be used for Axial flow compressors Pumps All of these Radial flow compressors Axial flow compressors Pumps All of these Radial flow compressors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called Pressure coefficient Slip factor Pressure ratio Degree of reaction Pressure coefficient Slip factor Pressure ratio Degree of reaction ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ram compression in turbojet involves Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy Increasing speed of incoming air Lost work Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy Increasing speed of incoming air Lost work ANSWER DOWNLOAD EXAMIANS APP
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
EXAMIANS