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← ScienceWhich flow transition is implied while increasing power on a ship's propeller?
A)Laminar separation causes increased drag
B)Boundary layer creates turbulent regime✓
C)Fluid adhesion reduces momentum transfer
D)Kinetic energy enables complete cavitation
💡 Explanation
Higher Reynolds number results from increased velocity, creating a shift to turbulence within the propellor's boundary layer; because laminar flow becomes unstable, therefore turbulent flow increases drag and noise rather than separation, which requires flow reversal.
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