Which of the following describes how a contrail forms?
A)air warming as it passes over the aircraft's wings
B)water vapour in the engine exhaust mixing with air
C)heated air expulsed from the cabin
D)heating of the air by the engine exhaust

Question

Quizplus · Accepted Answer

Contrails form due to the heating of the air by the engine exhaust. The exhaust contains water vapor, which condenses and freezes into ice crystals at high altitudes.

Which of the Following Describes How a Contrail Forms