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← TechnologyWhich performance penalty arises with ice accretion disrupting laminar airfoil airflow?
A)Drastic reduction of maximum lift✓
B)Reduced stall angle of attack
C)Increased parasitic drag component
D)Compromised elevator aerodynamic effectiveness
💡 Explanation
Ice accretion introduces turbulent flow due to surface roughness, hindering lift via flow separation. It is flow separation, rather than smooth attachment, that precipitates dramatic lift reduction, because the pressure differential diminishes; therefore performance suffers far more than affected trim effectiveness.
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