Compressors, Gas Turbines and Jet Engines Maximum delivery pressure is a rotary air compressor is of the order of 10 kg/cm² 16 kg/cm² 25 kg/cm² 6 kg/cm² 10 kg/cm² 16 kg/cm² 25 kg/cm² 6 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during Isentropic compression None of these Isothermal compression Polytropic compression Isentropic compression None of these Isothermal compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Decreases with decrease in compression ratio Increases with decrease in compression ratio Decreases with increase in compression ratio Increases with increase in compression ratio Decreases with decrease in compression ratio Increases with decrease in compression ratio Decreases with increase in compression ratio Increases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than 2 kg/cm² 10 kg/cm² 6 kg/cm² 14.7 kg/cm² 2 kg/cm² 10 kg/cm² 6 kg/cm² 14.7 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is Superheating in compressor All of these Clearance volume and leakages Pressure drop across the valves Superheating in compressor All of these Clearance volume and leakages Pressure drop across the valves ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is Higher volumetric efficiency All of these Lower power consumption per unit of air delivered Decreased discharge temperature Higher volumetric efficiency All of these Lower power consumption per unit of air delivered Decreased discharge temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS