Compressors, Gas Turbines and Jet Engines The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl. None of these Zero Reduced Increased None of these Zero Reduced Increased ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Losses in a centrifugal compressor are due to Inlet losses Diffuser losses Impeller channel losses All of the listed here Inlet losses Diffuser losses Impeller channel losses All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A large clearance volume in a reciprocating compressor results in Reduced volume flow rate Lower suction pressure Increased volume flow rate Lower delivery pressure Reduced volume flow rate Lower suction pressure Increased volume flow rate Lower delivery pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mining industry usually employs following motive power Diesel engine Compressed air Petrol engine C. electric motor Diesel engine Compressed air Petrol engine C. electric motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered in a medium capacity air compressor per unit time is 0.1 to 1.2 m³/s None of these 0.15 to 5 m³/s Above 5 m³/s 0.1 to 1.2 m³/s None of these 0.15 to 5 m³/s Above 5 m³/s ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermodynamic efficiency of rotary compressor is based on Isentropic compression Adiabatic compression Isothermal compression Polytropic compression Isentropic compression Adiabatic compression Isothermal compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
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