Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the diffuser only In the diffuser and impeller In the impeller only In the inlet guide vanes only In the diffuser only In the diffuser and impeller In the impeller only In the inlet guide vanes only ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Isothermal efficiency Compressor efficiency Mechanical efficiency Volumetric efficiency Isothermal efficiency Compressor efficiency Mechanical efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would None of these Increase Decrease Remain same None of these Increase Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ideal efficiency of simple gas turbine cycle depends on Maximum cycle temperature All of these Pressure ratio Minimum cycle temperature Maximum cycle temperature All of these Pressure ratio Minimum cycle temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be Radial Backward curved None of the listed here Forward curved Radial Backward curved None of the listed here Forward curved ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated H.P. and brake H.P. is known as Mechanical efficiency Adiabatic efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency Adiabatic efficiency Isothermal efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP