Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁² -v₂²)/2g (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 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Standard air is the air at 0°C and standard atmospheric conditions 15°C and 1 kg/cm² Atmospheric conditions at any specific location 20°C and 1 kg/cm² and relative humidity 36% 0°C and standard atmospheric conditions 15°C and 1 kg/cm² Atmospheric conditions at any specific location 20°C and 1 kg/cm² and relative humidity 36% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A machine used to raise the pressure of air is called Gas turbine Air motor I.C engine Compressor Gas turbine Air motor I.C engine Compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Actual compression curve is Same as adiabatic Better than isothermal and adiabatic In between isothermal and adiabatic Same as isothermal Same as adiabatic Better than isothermal and adiabatic In between isothermal and adiabatic Same as isothermal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will Remain unaffected Increase Decrease Other factors control it Remain unaffected Increase Decrease Other factors control it ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The static pressure of air in the impeller increases in order to provide centripetal force on the air The flow of air is parallel to the axis of the compressor The impeller rotates at high speeds The maximum efficiency is higher than multistage axial flow compressors The static pressure of air in the impeller increases in order to provide centripetal force on the air The flow of air is parallel to the axis of the compressor The impeller rotates at high speeds The maximum efficiency is higher than multistage axial flow compressors ANSWER DOWNLOAD EXAMIANS APP
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