Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Convert kinetic energy of air into pressure energy Collect more air Provide robust structure Beautify the shape Convert kinetic energy of air into pressure energy Collect more air Provide robust structure Beautify the shape ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a reciprocating air compressor, the compression work per kg of air Is independent of clearance volume Decreases as clearance volume increases Increases as clearance volume increases Increases as clearance volume decreases Is independent of clearance volume Decreases as clearance volume increases Increases as clearance volume increases Increases as clearance volume decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The velocity of air entering in a rocket is ___ as compared to an aircraft. Less More Same Zero Less More Same Zero ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The flow of air is parallel to the axis of the compressor The maximum efficiency is higher than multistage axial flow compressors The impeller rotates at high speeds 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 maximum efficiency is higher than multistage axial flow compressors The impeller rotates at high speeds The static pressure of air in the impeller increases in order to provide centripetal force on the air 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. None of these Less than Equal to Greater than None of these Less than Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Roots blower Axial flow compressor Radial flow compressor Reciprocating compressor Roots blower Axial flow compressor Radial flow compressor Reciprocating compressor ANSWER DOWNLOAD EXAMIANS APP
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