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← TechnologyWhich outcome occurs when a positive displacement pump experiences choked flow?
A)Pump cavitation and material damage✓
B)Decreased pump efficiency and power
C)Vapor lock formation in the valves
D)Increased fluid velocity to sonic speed
💡 Explanation
Choked flow causes a pressure drop below the fluid's vapor pressure leading to cavitation, because vapor bubbles collapse violently, eroding internal surfaces. Therefore cavitation damages, rather than an increase in fluid velocity, which would require continued acceleration.
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