Compressors, Gas Turbines and Jet Engines In a jet engine, the air-fuel ratio is 1.2506944444444 2.5006944444444 1.6673611111111 2.0840277777778 1.2506944444444 2.5006944444444 1.6673611111111 2.0840277777778 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 Low/high depending on make and type Same High Low Low/high depending on make and type Same High ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An after-cooler is used to Remove impurities from air Cool the air Reduce volume of air Cause moisture and oil vapour to drop out Remove impurities from air Cool the air Reduce volume of air Cause moisture and oil vapour to drop out ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The closed cycle in gas turbines Provides lesser flexibility In never used Is used when gas is to be burnt Provides greater flexibility Provides lesser flexibility In never used Is used when gas is to be burnt Provides greater flexibility ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines After-cooler is used to Decrease the delivery temperature for ease in handling Reduce volume Cool the air Cause moisture and oil vapour to drop out Decrease the delivery temperature for ease in handling Reduce volume Cool the air Cause moisture and oil vapour to drop out 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
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