Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in flow and decrease in efficiency Increase in efficiency Decrease in flow Increase in flow Increase in flow and decrease in efficiency Increase in efficiency Decrease in flow Increase in flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the false statement Gas turbine is a self starting unit Exhaust losses in gas turbine are high due to large mass flow rate Gas turbine does not require huge quantity of water like steam plant Overall efficiency of gas turbine plant is lower than that of a reciprocating engine Gas turbine is a self starting unit Exhaust losses in gas turbine are high due to large mass flow rate Gas turbine does not require huge quantity of water like steam plant Overall efficiency of gas turbine plant is lower than that of a reciprocating engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to N.T.P. conditions 0°C and 1 kg/cm² Intake temperature and pressure conditions 20°C and 1 kg/cm² N.T.P. conditions 0°C and 1 kg/cm² Intake temperature and pressure conditions 20°C and 1 kg/cm² 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 Pressure coefficient Work factor Degree of reaction Slip factor Pressure coefficient Work factor Degree of reaction ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Centripetal action Generating pressure directly Conversion of pressure energy into kinetic energy Conversion of kinetic energy into pressure energy Centripetal action Generating pressure directly Conversion of pressure energy into kinetic energy Conversion of kinetic energy into pressure energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at Diffuser inlet radius Impeller inlet radius Impeller outlet radius Diffuser outlet radius Diffuser inlet radius Impeller inlet radius Impeller outlet radius Diffuser outlet radius ANSWER DOWNLOAD EXAMIANS APP