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Which risk increases when the Reynolds number exceeds a ship's propeller design limit?

A)Increased propeller cavitation speed
B)Augmented laminar flow efficacy
C)Elevated hull frictional resistance
D)Reduced wake vortex shedding

💡 Explanation

Exceeding the Reynolds number limit leads to turbulence near the propeller tips. This drives **cavitation inception** because localized pressure drops are amplified in turbulent flow; therefore cavitation risk is greater, rather than laminar flow effects or diminished wake vortices.

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