Compressors, Gas Turbines and Jet Engines Maximum delivery pressure is a rotary air compressor is of the order of 25 kg/cm² 16 kg/cm² 10 kg/cm² 6 kg/cm² 25 kg/cm² 16 kg/cm² 10 kg/cm² 6 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Both (A) and (B) above Multistage compression Fully insulating the cylinder Cold water spray Both (A) and (B) above Multistage compression Fully insulating the cylinder Cold water spray ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The performance of air compressor at high altitudes will be ________ as compared to that at sea level. Lower Higher Same None of these Lower Higher Same None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a closed cycle gas turbine, the air is compressed Polytropically None of these Isothermally Isentropically Polytropically None of these Isothermally Isentropically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the discharge pressure to the inlet pressure of air is called Expansion ratio Compressor efficiency Compression ratio Volumetric efficiency Expansion ratio Compressor efficiency Compression ratio Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
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