Compressors, Gas Turbines and Jet Engines Water is injected in gas turbine cycle to Control temperature Control fire hazards Control output of turbine Increase efficiency Control temperature Control fire hazards Control output of turbine Increase efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume 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 May increase/decrease depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is Decreased discharge temperature Lower power consumption per unit of air delivered All of these Higher volumetric efficiency Decreased discharge temperature Lower power consumption per unit of air delivered All of these Higher volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the Isothermal H.P/indicated H.R Compression work/motor input Total output/air input Isothermal H.P./shaft H.R Isothermal H.P/indicated H.R Compression work/motor input Total output/air input Isothermal H.P./shaft H.R ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Turbofan engine employs No air stream Two or more air streams Solid fuel firing One air stream No air stream Two or more air streams Solid fuel firing One air stream ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a high pressure compressor, the delivery pressure is 10 to 15 bar 5 to 8 bar 8 to 10 bar 1 to 5 bar 10 to 15 bar 5 to 8 bar 8 to 10 bar 1 to 5 bar ANSWER DOWNLOAD EXAMIANS APP
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