Compressors, Gas Turbines and Jet Engines The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature. Equal to More than None of these Less than Equal to More than None of these Less than 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 Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is All of these Clearance volume and leakages Superheating in compressor Pressure drop across the valves All of these Clearance volume and leakages Superheating in compressor Pressure drop across the valves ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by By running compressor at very slow speed By insulating the cylinder By constantly cooling the cylinder Employing inter-cooler By running compressor at very slow speed By insulating the cylinder By constantly cooling the cylinder Employing inter-cooler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ________ of the piston. One stroke Two strokes Four strokes Three strokes One stroke Two strokes Four strokes Three strokes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Remain same Does not change Increase Decrease Remain same Does not change Increase Decrease ANSWER DOWNLOAD EXAMIANS APP