Compressors, Gas Turbines and Jet Engines The following property is most important for material used for gas turbine blade Fatigue Corrosion resistance Creep Toughness Fatigue Corrosion resistance Creep Toughness ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is Decreased discharge temperature All of these Lower power consumption per unit of air delivered Higher volumetric efficiency Decreased discharge temperature All of these Lower power consumption per unit of air delivered Higher volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of Low frontal area None of the listed here High pressure rise Higher thrust Low frontal area None of the listed here High pressure rise Higher thrust ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall efficiency of the compressed air system is the None of these Product of shaft output of air motor and shaft input to the compressor 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 None of these Product of shaft output of air motor and shaft input to the compressor 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 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Increases with increase in compression ratio Decreases with increase in compression ratio Is not dependent upon compression ratio May increase/decrease depending on compressor capacity Increases with increase in compression ratio Decreases with increase in compression ratio Is not dependent upon compression ratio May increase/decrease depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbine requires lot of cooling water Gas turbines has flat efficiency at part loads Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbine requires lot of cooling water Gas turbines has flat efficiency at part loads ANSWER DOWNLOAD EXAMIANS APP
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