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← TechnologyWhich risk increases when a hydraulic valve operating above its flow-rating?
A)Valve component cavitation erosion✓
B)Decreased fluid bulk modulus
C)Increased turbulent kinetic energy
D)System hysteresis response decline
💡 Explanation
Valve cavitation erosion is the larger danger associated with exceeding design flow-rate; because localized pressure drop leads to vapor bubble formation and collapse. This occurs via the **separation bubble collapse** mechanism, therefore material erodes, rather than turbulent energy increase predominantly within the design range.
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