Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Collect more air Beautify the shape Convert kinetic energy of air into pressure energy Provide robust structure Collect more air Beautify the shape Convert kinetic energy of air into pressure energy Provide robust structure 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 The work-done in each stage should be same The compression ratio in each stage should be same The intercooling should be perfect All of the listed here The work-done in each stage should be same The compression ratio in each stage should be same The intercooling should be perfect All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is Lower power consumption per unit of air delivered Higher volumetric efficiency Decreased discharge temperature All of these Lower power consumption per unit of air delivered Higher volumetric efficiency Decreased discharge temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Actual compression curve is In between isothermal and adiabatic Same as adiabatic Better than isothermal and adiabatic Same as isothermal In between isothermal and adiabatic Same as adiabatic Better than isothermal and adiabatic Same as isothermal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from Tâ to Tâ at a constant pressure. Less than Equal to Greater than None of these Less than Equal to Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In turbo fan engine, the jet velocity as compared to turbojet engine is May be less or more depending upon speed Same More Less May be less or more depending upon speed Same More Less ANSWER DOWNLOAD EXAMIANS APP
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