Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Allows operation at very high altitudes Increases thermal efficiency Decreases heat loss is exhaust Allows high compression ratio Allows operation at very high altitudes Increases thermal efficiency Decreases heat loss is exhaust Allows high compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as Compressor efficiency Volumetric efficiency Mechanical efficiency Isothermal efficiency Compressor efficiency Volumetric efficiency Mechanical efficiency Isothermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt? 3 m³/ mt. 6 m³/ mt. 18 m³/ mt. 1.5 m³/ mt. 3 m³/ mt. 6 m³/ mt. 18 m³/ mt. 1.5 m³/ mt. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbines has flat efficiency at part loads Gas turbine requires lot of cooling water Gas turbine is capable of rapid start up and loading Gas turbines have high standby losses and require lot of maintenance Gas turbines has flat efficiency at part loads Gas turbine requires lot of cooling water Gas turbine is capable of rapid start up and loading Gas turbines have high standby losses and require lot of maintenance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum delivery pressure in a rotary air compressor is 50 bar 30 bar 10 bar 20 bar 50 bar 30 bar 10 bar 20 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Increases with increase in compression ratio Is not dependent upon compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Increases with increase in compression ratio Is not dependent upon compression ratio ANSWER DOWNLOAD EXAMIANS APP
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