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Which of the following is not true about flaps?(a) Decreases stall speed(b) Decrease drag in mid flight(c) Helps an aircraft to take off and land in shorter distances(d) Helps an aircraft to fly at slower speedsThe question was posed to me at a job interview.This question is from Aircraft Electronics in portion Aircraft Electronics of Aircraft Maintenance

Answer»

The correct option is (b) Decrease drag in mid flight

For EXPLANATION: Flaps do not decrease drag in id flight, however they INCREASE the drag if not retracted during mid-flight. THUS while flaps are only DEPLOYED during takeoff or landing.



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