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Which risk increases with increased flow velocity past an aircraft wing, causing boundary layer separation?

A)Adverse pressure gradient
B)Decreasing Reynolds number
C)Laminar flow stabilization
D)Reduced skin friction drag

💡 Explanation

Adverse pressure gradients induce boundary layer separation because reduced momentum from a turbulent boundary layer (high Reynolds number) cannot overcome the increasing pressure. Therefore, separation risk increases, rather than stabilized flow or reduced drag, due to pressure resistance overcoming momentum.

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