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← ScienceWhich consequence results when rapid phase transition causes water hammer?
A)Pipe collapse due to pressure drop
B)Valve erosion accelerates locally✓
C)Flow becomes entirely laminar
D)Fluid density remains uniform always
💡 Explanation
Valve erosion accelerates due to the phase change generating pressure waves; this is hydraulic shock. Inertia of moving fluid causes localized intense forces. Therefore, valve erosion increases rather than uniform density which can happen only if flow doesn't stop, collapse only during vacuum.
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