aerodynamicsFAA-published sample question (FIA, Aug 2021)
Aspect ratio of a wing is defined as the ratio of the
A
wingspan to the wing root.
B
wingspan to the mean chord.✓ Correct Answer
C
square of the chord to the wingspan.
Explanation
PHAK defines aspect ratio as the ratio of the wingspan to the mean (average) chord, equivalently span squared divided by wing area. It is not measured against the root chord, and the third option inverts the relationship.
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