Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Isentropic Any one of these Polytropic Isothermal Isentropic Any one of these Polytropic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Increasing gas temperature High friction losses Paucity of O2 High specific volume Increasing gas temperature High friction losses Paucity of O2 High specific volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Losses in a centrifugal compressor are due to Impeller channel losses Diffuser losses Inlet losses All of the listed here Impeller channel losses Diffuser losses Inlet losses All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket engine for the combustion of its fuel Uses surrounding air Uses compressed atmospheric air Carries its own oxygen Does not require oxygen Uses surrounding air Uses compressed atmospheric air Carries its own oxygen Does not require oxygen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into Back to the compressor Vacuum Atmosphere Discharge nozzle Back to the compressor Vacuum Atmosphere Discharge nozzle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Does not change None of these Increases Decreases Does not change None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP