Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) 1 - (1/r) ɣ-1/ɣ 1 - (1/r) ɣ/ɣ-1 r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - (1/r) ɣ/ɣ-1 r ɣ-1 1 - r ɣ-1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Aeroplanes employ following type of compressor Axial flow Centrifugal Radial flow None of these Axial flow Centrifugal Radial flow None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressed air may be used All of the listed here In gas turbine plants In starting and supercharging of I.C. engines For operating pneumatic drills All of the listed here In gas turbine plants In starting and supercharging of I.C. engines For operating pneumatic drills ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency Does not change Increases First decrease and then increase Decreases Does not change Increases First decrease and then increase Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The capacity of a compressor is 5 m/min refers to Compressed air Standard air Compressed air at delivery pressure Free air Compressed air Standard air Compressed air at delivery pressure Free air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is Low/high depending on make and type Same Low High Low/high depending on make and type Same Low High ANSWER DOWNLOAD EXAMIANS APP