The compressed air may be used? Mark as favorite Copy Link in gas turbine plants for operating pneumatic drills in starting and supercharging of I.C. engines all of the above Check Answer
The thrust of a jet propulsion power unit can be increased by? Mark as favorite Copy Link injecting water into the compressor burning fuel after gas turbine injecting ammonia into the combustion chamber all of the above Check Answer
In a single acting reciprocating air compressor, without clearance, the compression of air may be? Mark as favorite Copy Link isothermal polytropic isentropic any one of these Check Answer
The velocity of air entering in a rocket is …….. as compared to an aircraft? Mark as favorite Copy Link zero less more same Check Answer
In a reciprocating air compressor, the compression work per kg of air? Mark as favorite Copy Link increases as clearance volume increases decreases as clearance volume increases is independent of clearance volume increases as clearance volume decreases Check Answer
A rotary compressor is driven by an? Mark as favorite Copy Link electric motor engine either (a) or (b) none of these Check Answer
In air compressors, free air delivery means the? Mark as favorite Copy Link actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions volume of air delivered by the compressor volume of air sucked by the compressor during its suction stroke none of the above Check Answer
The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as? Mark as favorite Copy Link compressor efficiency volumetric efficiency isothermal efficiency mechanical efficiency Check Answer
The axial flow compressor is preferred in air-craft gas turbines because of? Mark as favorite Copy Link low frontal area higher thrust high pressure rise none of these Check Answer
If the flow of air through the compressor is parallel to its axis, then the compressor is? Mark as favorite Copy Link reciprocating compressor centrifugal compressor axial flow compressor turbo-compressor Check Answer