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← ScienceWhich risk increases when high pressure ethylene flows at 28 m/s through a DN50 control valve?
A)Valve cavitation and material erosion✓
B)Fluid density exceeding critical limits
C)Laminar flow turning fully turbulent
D)Static pressure balancing dynamic forces
💡 Explanation
Cavitation occurs because rapid pressure drop from local high velocity (Bernoulli's equation) causes vapor bubbles. These bubbles collapse which leads to material erosion, therefore cavitation risk increases rather than laminar flow because the Reynolds number rises extremely.
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