Compressors, Gas Turbines and Jet Engines When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be Backward curved Radial Forward curved None of the listed here Backward curved Radial Forward curved None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An after-cooler is used to Remove impurities from air Cause moisture and oil vapour to drop out Reduce volume of air Cool the air Remove impurities from air Cause moisture and oil vapour to drop out Reduce volume of air Cool the air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Fighter bombers use following type of engine Turbo-propeller Rocket Ramjet Turbojet Turbo-propeller Rocket Ramjet Turbojet ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines the products of combustion after passing through the gas turbine are discharged into Back to the compressor Atmosphere Vacuum Discharge nozzle Back to the compressor Atmosphere Vacuum Discharge nozzle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Decreases with increase in compression ratio Is not dependent upon compression ratio Increases with increase in compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Is not dependent upon compression ratio Increases with increase in compression ratio May increase/decrease depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work in multistage compression, assuming same index of compression in all stages Work done in all stages should be equal Work done in subsequent stages should increase Work done in first stage should be more Work done in subsequent stages should decrease Work done in all stages should be equal Work done in subsequent stages should increase Work done in first stage should be more Work done in subsequent stages should decrease ANSWER DOWNLOAD EXAMIANS APP
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