Compressors, Gas Turbines and Jet Engines In air compressors, free air delivery means the Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air delivered by the compressor None of the listed here Volume of air sucked by the compressor during its suction stroke Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air delivered by the compressor None of the listed here Volume of air sucked by the compressor during its suction stroke ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression The work-done in each stage should be same The compression ratio in each stage should be same All of the listed here The intercooling should be perfect The work-done in each stage should be same The compression ratio in each stage should be same All of the listed here The intercooling should be perfect ANSWER DOWNLOAD EXAMIANS APP
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 Increased Reduced None of these Zero Increased Reduced ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a gas turbine Decreases the thermal efficiency Increases the thermal efficiency Increases the turbine work Increases the compressor work Decreases the thermal efficiency Increases the thermal efficiency Increases the turbine work Increases the compressor work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The capacity of a compressor is expressed in m³/min kg/m³ kg/m² m³/kg m³/min kg/m³ kg/m² m³/kg ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During base load operation, the best method of controlling compressor is Constant speed unloader Start-stop motor Variable speed Relief valve Constant speed unloader Start-stop motor Variable speed Relief valve ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS