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← TechnologyWithin a hydraulic actuator driving a robotic arm, which outcome occurs when debris becomes lodged in the proportional valve?
A)Erratic or jerky movement patterns✓
B)Increased system hydraulic pressure
C)Decreased actuator supply voltage
D)Elevated hydraulic fluid temperature
💡 Explanation
Lodged debris disrupts the proportional valve's fine control, triggering erratic movements due to inconsistent fluid flow. This is flow modulation, because the valve cannot smoothly adjust; therefore, arm movements are jerky rather than precise under these contaminated operating conditions.
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