Compressors, Gas Turbines and Jet Engines The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called Velocity factor None of these Slip factor Velocity coefficient Velocity factor None of these Slip factor Velocity coefficient ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For slow speed large capacity compressor, following type of valve will be best suited Disc or feather type Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Poppet valve Any of the above Disc or feather type Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Poppet valve Any of the above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air entry velocity m a rocket as compared to aircraft is Same More Zero Less Same More Zero Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio First increases and then decreases First decreases and then increases Decreases Increases First increases and then decreases First decreases and then increases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Isothermal None of these Polytropic Adiabatic Isothermal None of these Polytropic Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as Slip factor Degree of reaction Pressure coefficient Work factor Slip factor Degree of reaction Pressure coefficient Work factor ANSWER DOWNLOAD EXAMIANS APP
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