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← TechnologyWhich performance issue results when hydraulic actuators experience thermal expansion?
A)Decreased positional accuracy✓
B)Increased actuator speed
C)Lower fluid viscosity
D)Higher bearing lifespan
💡 Explanation
Thermal expansion increases the actuator rod's length beyond the controller's calibrated range, causing decreased positional accuracy, because the controller misinterprets the rod position. Therefore, accuracy decreases, rather than speed increasing which would require more hydraulic flow and pressure.
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