Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Isothermal efficiency Volumetric efficiency Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency Compressor efficiency 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 T₁ to T₂ at a constant pressure. Less than Greater than Equal to None of these Less than Greater than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in flow and decrease in efficiency Increase in efficiency Increase in flow Decrease in flow Increase in flow and decrease in efficiency Increase in efficiency Increase in flow Decrease in flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm. The air pressure will be 1.00 kg/cm² 1.03 kg/cm² 0.53 kg/cm² 1.06 kg/cm² 1.00 kg/cm² 1.03 kg/cm² 0.53 kg/cm² 1.06 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of jet engine is Higher at high altitudes Higher at high speed Lower at low speed Same at all altitudes Higher at high altitudes Higher at high speed Lower at low speed Same at all altitudes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 10 to 40% 70 to 90% 40 to 60% 60 to 70% 10 to 40% 70 to 90% 40 to 60% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
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