they can generate very high thrust

they have high propulsion efficiency

these engines can work on several fuels

they are not air-breathing engines

more

less

equal

none of these

remove impurities from air

reduce volume of air

cause moisture and oil vapour to drop out

cool the air

increases power output

improves thermal efficiency

reduces exhaust temperature

do not damage turbine blades

compressor efficiency

volumetric efficiency

isothermal efficiency

mechanical efficiency