Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Remain constant First decreases and then increases Increases Decreases Remain constant First decreases and then increases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of High pressure rise Higher thrust None of the listed here Low frontal area High pressure rise Higher thrust None of the listed here Low frontal area ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In which case the air-fuel ratio is likely to be maximum? Multi cylinder engine 4-stroke petrol engine 4-stroke diesel engine Gas turbine Multi cylinder engine 4-stroke petrol engine 4-stroke diesel engine Gas turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the inlet guide vanes only In the diffuser and impeller In the impeller only In the diffuser only In the inlet guide vanes only In the diffuser and impeller In the impeller only In the diffuser only ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Free air is the air at 0°C and standard atmospheric conditions 15°C and 1 kg/cm² Atmospheric conditions at any specific location 20°C and 1 kg/cm² and relative humidity of 36% 0°C and standard atmospheric conditions 15°C and 1 kg/cm² Atmospheric conditions at any specific location 20°C and 1 kg/cm² and relative humidity of 36% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed cycle Closed cycle & Open cycle Closed/open depending on other considerations Open cycle Closed cycle Closed cycle & Open cycle Closed/open depending on other considerations Open cycle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS