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Which risk increases when subsonic aircraft wings experience stall?

A)Vortex shedding induced structural fatigue
B)Increased fuel consumption is observed
C)Laminar flow over control surfaces
D)Decreased static pressure on upper surface

💡 Explanation

Vortex shedding induced structural fatigue increases because stall creates separated turbulent flow from disrupted Boundary Layer Transition. This periodic shedding causes vibrations therefore increasing fatigue risk rather than fuel inefficiencies or laminar flow, because they result from other factors.

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