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← ScienceWhich condition triggers cavitation risk near a marine propeller?
A)Exceeding critical Reynolds number threshold✓
B)Laminar flow becomes fully developed
C)Propeller's angle of attack is nominal
D)Boundary layer separation stabilizes fully
💡 Explanation
Cavitation arises because exceeding a critical Reynolds number initiates turbulent flow, drastically reducing local pressure around the propeller. Therefore cavitation occurs, rather than stable flow, because turbulence intensity is greater.
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