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← ScienceWhich regime change results when flow velocity increases through a venturi?
A)Laminar to turbulent flow transition✓
B)Increased viscosity decreases flow
C)Reduced pressure increases cavitation risk
D)Exit velocity matches inlet velocity
💡 Explanation
A laminar to turbulent transition occurs because exceeding a critical Reynolds number causes vortex shedding and chaotic motion, leading to turbulence rather than smooth flow; therefore the transition occurs, rather than matched inlet-outlet velocities.
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