Compressors, Gas Turbines and Jet Engines In turbo fan engine, the jet velocity as compared to turbojet engine is May be less or more depending upon speed Less Same More May be less or more depending upon speed Less Same More ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated H.P. and brake H.P. is known as Volumetric efficiency Mechanical efficiency Isothermal efficiency Adiabatic efficiency Volumetric efficiency Mechanical efficiency Isothermal efficiency Adiabatic efficiency 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 The work ratio of a gas turbine plant is defined as the ratio of Net work output and isentropic heat drop Net work output and heat supplied Actual heat drop and isentropic heat drop Net work output and work done by turbine Net work output and isentropic heat drop Net work output and heat supplied Actual heat drop and isentropic heat drop Net work output and work done by turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water is injected in gas turbine cycle to Increase efficiency Control fire hazards Control temperature Control output of turbine Increase efficiency Control fire hazards Control temperature Control output of turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For slow speed large capacity compressor, following type of valve will be best suited Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Any of the above Poppet valve Disc or feather type Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Any of the above Poppet valve Disc or feather type ANSWER DOWNLOAD EXAMIANS APP
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