In flight, the most commonly used anti-icing method for the wings of modern commercial aircraft fitted with turbo-jet units is: 1 - They prevent ice formation. 2 - They are triggered from the flight deck after icing has become visible. 3 - A cycle lasts more than ten seconds .4 - There are more than ten cycles per second

Question

In flight, the most commonly used anti-icing method for the wings of modern commercial aircraft fitted with turbo-jet units is: 1 - They prevent ice formation.  2 - They are triggered from the flight deck after icing has become visible.   3 - A cycle lasts more than ten seconds   .4 - There are more than ten cycles per second

Accepted Answer

Thermal (use of hot air).

Answer

Physical/chemical (glycol-based Liquid).

Answer

Electrical (electrical resistances).

Answer

Mechanical (pneumatic Source Which Acts By Deforming The Profiles Of The Leading Edge).

Domanda 501, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license