21-07. ANTI-ICING AND DE-ICING SYSTEMS
All questions: 41
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1. 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:
2. Windscreen heating systems usually:
3. How much ice should be allowed to accumulate on the leading edge of the wing before the “de-icing boot” system is activated?
4. The heating facility for the windshield of an aircraft is:
5. In a bleed air anti-icing system the areas that are typically heated are:
