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Id 500 - ATPL - Concerning the sequential pneumatic impulses used in certain leading edge de-icing devices, one can affirm that 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 The combination which regroups all the correct statements is:
Question id 500 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license
Explanation: Concerning the sequential pneumatic impulses used in certain leading edge de-icing devices, one can affirm that 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 The combination which regroups all the correct statements is:
EN 