An aircraft flying at 800mph would typically use
- turbojet
- turbofan
- turboprop
Explanation
At around 800 mph the aircraft is at high subsonic/transonic speed where high jet-velocity engines are efficient, favouring the turbojet. High-bypass turbofans are optimised for lower cruise speeds and turboprops for still lower speeds, so the very high airspeed points to a turbojet.
serzeb asking:
it could be turbofan too
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