Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 550 km/hr 1700 km/hr 1050 km/hr 2400 km/hr 550 km/hr 1700 km/hr 1050 km/hr 2400 km/hr ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on Pressure ratio Mass flow rate Stagnation pressure at the outlet Change in load Pressure ratio Mass flow rate Stagnation pressure at the outlet Change in load ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The most efficient method of compressing air is to compress it Isochronically Isothermally Adiabatically Isentropically Isochronically Isothermally Adiabatically Isentropically 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. Higher None of these Lower Same Higher None of these Lower Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling. None of these Less than Equal to More than None of these Less than Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in multistage expansion gas turbine results in High thermal efficiency Decrease of heat loss in exhaust Reduction in compressor work Maximum work output High thermal efficiency Decrease of heat loss in exhaust Reduction in compressor work Maximum work output ANSWER DOWNLOAD EXAMIANS APP