Compressors, Gas Turbines and Jet Engines Water is injected in gas turbine cycle to Increase efficiency Control fire hazards Control output of turbine Control temperature Increase efficiency Control fire hazards Control output of turbine Control temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 2400 km/hr 1050 km/hr 1700 km/hr 550 km/hr 2400 km/hr 1050 km/hr 1700 km/hr 550 km/hr ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of the vane blower is (where W₁ = Workdone due to compression, and W₂ = Workdone due to back flow) (W₁ + W₂)/W₂ W₁/(W₁ + W₂) W₂/(W₁ + W₂) (W₁ + W₂)/W₁ (W₁ + W₂)/W₂ W₁/(W₁ + W₂) W₂/(W₁ + W₂) (W₁ + W₂)/W₁ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called Compressor efficiency Mechanical efficiency Volumetric efficiency Isothermal efficiency Compressor efficiency Mechanical efficiency Volumetric efficiency Isothermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The inlet pressure is always ___ the discharge pressure. Equal to More than None of the listed here Less than Equal to More than None of the listed here Less than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket engine for the combustion of its fuel Carries its own oxygen Uses compressed atmospheric air Uses surrounding air Does not require oxygen Carries its own oxygen Uses compressed atmospheric air Uses surrounding air Does not require oxygen ANSWER DOWNLOAD EXAMIANS APP
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