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← TechnologyWhich action impairs aircraft lift at high angles of attack?
A)Boundary layer flow separation✓
B)Increased laminar boundary layer thickness
C)Elevated static port pressure
D)Decreased parasitic drag coefficient
💡 Explanation
Boundary layer flow separation reduces lift sharply because the airflow detaches from the wing surface, eliminating pressure differential. Therefore, lift diminishes rather than increasing, because turbulent flow reduces lift more than laminar flow.
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