On average, jet blast is at 120 mph, as far as 60 meters. Jet Blast can be hazardous to people and it is capable of destroying vehicles and buildings.?æ

Depends. It could be considered forced convection if the object is also air.

It is called jet propulsion when the blast of air comes out of a jet engine, and moves an aircraft.

yes

To "take off full blast" means to start quickly. The idiom refers to a motor or jet engine starting off at full blast or full throttle, which would be as fast as possible.