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← TechnologyWhich of these effects in high-speed hydraulic actuators increases when spool valve's stroke is limited?
A)Valve seat leakage increases drastically
B)Actuator stalls due to valve lock
C)Hydraulic cavitation risk becomes maximized✓
D)System oscillates erratically at resonance
💡 Explanation
Cavitation increases because the restricted valve opening raises fluid velocity increasing local pressure drop triggering vapour bubble formation via the cavitation mechanism. Therefore cavitation effects increase rather than leakage, vibration changes are less likely with spool control.
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