Compressors, Gas Turbines and Jet Engines The ideal efficiency of simple gas turbine cycle depends on Maximum cycle temperature All of these Pressure ratio Minimum cycle temperature Maximum cycle temperature All of these Pressure ratio Minimum cycle temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency First decrease and then increase Decreases Does not change Increases First decrease and then increase Decreases Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Is not dependent upon compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity Is not dependent upon compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Remain same Decreases First increases and then decreases Increases Remain same Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression though most efficient, but is not practicable because Compressor has to run at very slow speed to achieve it It is impossible in practice It does not increase pressure much It requires very big cylinder Compressor has to run at very slow speed to achieve it It is impossible in practice It does not increase pressure much It requires very big cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In which case the air-fuel ratio is likely to be maximum? 4-stroke petrol engine Gas turbine 4-stroke diesel engine Multi cylinder engine 4-stroke petrol engine Gas turbine 4-stroke diesel engine Multi cylinder engine ANSWER DOWNLOAD EXAMIANS APP
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