Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁² -v₂²)/g (v₁ - v₂)²/2g (v₁ - v₂)²/g (v₁² -v₂²)/2g (v₁² -v₂²)/g (v₁ - v₂)²/2g (v₁ - v₂)²/g (v₁² -v₂²)/2g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure and temperature conditions of air at the suction of compressor are Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly less than atmospheric Slightly more than atmospheric Atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly less than atmospheric Slightly more than atmospheric Atmospheric ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter cooling in compressors Enables compression in two stages Is the standard practice for big compressors Cools the delivered air Results in saving of power in compressing a given volume to given pressure Enables compression in two stages Is the standard practice for big compressors Cools the delivered air Results in saving of power in compressing a given volume to given pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The absolute pressure of air at the outlet of a compressor is called None of the listed here Discharge pressure Back pressure Critical pressure None of the listed here Discharge pressure Back pressure Critical pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume May increase/decrease depending on compressor capacity Is not dependent upon compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity Is not dependent upon compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the false statement Overall efficiency of gas turbine plant is lower than that of a reciprocating engine 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 Gas turbine is a self starting unit Overall efficiency of gas turbine plant is lower than that of a reciprocating engine 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 Gas turbine is a self starting unit ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS