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 second4
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The elements specifically protected against icing on transport aircraft are 1) engine air intake and pod. 2) front glass shield. 3) radome. 4) pitot tubes and waste water exhaust masts. 5) leading edge of wing. 6) cabin windows. 7) trailing edge of wings. 8) electronic equipment compartment4
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The de-icing system which is mostly used for the wings of modern turboprop aeroplanes is:4
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The advantages of thermal anti-icing are:1. Simple and reliable system2. Profiles maintained3. Greater efficiency than that of an electrical resistor4. Direct use of the hot air from the jet engine without substantial reduction in engine thrust The combination of correct statements is:4
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Concerning electrically powered ice protection devices, the only true statement is:4
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Electrically powered ice protection devices on aircraft are:4
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Pneumatic mechanical devices that provide ice protection:4
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The use of a hot air wing anti-icing system:4
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The wing ice protection system currently used for most large turboprop transport aeroplanes is a(n):4
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The wing ice protection system currently used for most large jet transport aeroplanes is a(n):4
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