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← TechnologyWhich outcome is made more likely as flow rate increases when a hydraulic control valve body experiences excessive wear?
A)Increased valve spool valve stiction
B)Decreased actuator response time
C)Pressure drops increase exponentially✓
D)Higher system fluid bulk modulus
💡 Explanation
Increased flow through worn valve clearances results in a disproportionate increase in pressure drops according to orifice flow dynamics. Because the **square law** governs this relationship, pressure drop becomes more severe at higher flows; therefore, energy waste becomes more pronounced rather than a linear or modest effect.
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