Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which Temperature during compression remains constant Temperature rise follows a linear relationship No heat leaves or enters the compressor cylinder during compression Work done is maximum Temperature during compression remains constant Temperature rise follows a linear relationship No heat leaves or enters the compressor cylinder during compression Work done is maximum ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression All of the listed here The intercooling should be perfect The work-done in each stage should be same The compression ratio in each stage should be same All of the listed here The intercooling should be perfect The work-done in each stage should be same The compression ratio in each stage should be same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Large quantities of air at high pressures Large quantities of air at low pressures Small quantities of air at low pressures Small quantities of air at high pressures Large quantities of air at high pressures Large quantities of air at low pressures Small quantities of air at low pressures Small quantities of air at high pressures ANSWER DOWNLOAD EXAMIANS APP
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 Velocity coefficient Slip factor Velocity factor None of these Velocity coefficient Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressor is best suited for Small quantity of air at low pressure Small quantity of air at high pressure Large quantity of air at high pressure Large quantity of air at low pressure Small quantity of air at low pressure Small quantity of air at high pressure Large quantity of air at high pressure Large quantity of air at low pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁ - v₂)²/2g (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁² -v₂²)/2g (v₁ - v₂)²/2g (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁² -v₂²)/2g ANSWER DOWNLOAD EXAMIANS APP
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