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Equivalent skin friction coefficient can be used to provide initial estimation of the parasite drag.

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Equivalent skin friction coefficient can be used to provide initial estimation of the parasite drag.

(a) True

(b) False

I got this question in an internship interview.

This interesting question is from Aerodynamics topic in portion Aerodynamics of Aircraft Design

1 Answer

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Right choice is (a) True

The explanation is: Yes, it is true. Equivalent skin friction coefficient can be used to provide information about the initial estimation of parasite drag. In this method, we estimate the parasite drag based on equivalent skin friction coefficient and wetted area of the aircraft.

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