Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.9 0.85 0.75 0.99 0.9 0.85 0.75 0.99 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about air receivers? These are used to dampen pulsations These increase compressor efficiency These knock out some oil and moisture These act as reservoir to take care of sudden demands These are used to dampen pulsations These increase compressor efficiency These knock out some oil and moisture These act as reservoir to take care of sudden demands ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio in gas turbines Increases power output Reduces exhaust temperature Do not damage turbine blades Improves thermal efficiency Increases power output Reduces exhaust temperature Do not damage turbine blades Improves thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air entry velocity m a rocket as compared to aircraft is Less Zero More Same Less Zero More Same 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 Increases with increase in compression ratio Is not dependent upon compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity Increases with increase in compression ratio Is not dependent upon compression ratio Decreases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is Pressure drop across the valves Clearance volume and leakages Superheating in compressor All of these Pressure drop across the valves Clearance volume and leakages Superheating in compressor All of these ANSWER DOWNLOAD EXAMIANS APP
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