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Which outcome arises when a propeller blade's angle-of-attack exceeds the critical value during rapid maneuvers?

A)Increased structural fatigue accumulation rate
B)Higher temperature bearing lubrication failure
C)Elevated cavitation erosion onset potential
D)Decreased aerodynamic pitching moment stability

💡 Explanation

Increased fatigue occurs from turbulence because flow separation induces unsteady pressure loadings which amplify dynamic stress; therefore the fatigue rate increases exponentially with turbulence rather than linear elastic damage under normal conditions.

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