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Which outcome results when turbulence overwhelms a boundary layer?

A)Increased vessel drag and erosion
B)Improved engine combustion efficiency
C)Enhanced convective heat transfer rate
D)Reduced pump cavitation and vibration

💡 Explanation

Increased vessel drag and erosion occurs because turbulent flow causes boundary layer separation, resulting in increased pressure drag rather than streamlined flow; therefore, drag increases substantially at higher speeds, rather than offering reduced friction.

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