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← ScienceWhich outcome results when hydraulic fluid viscosity increases significantly within an excavator's control system?
A)Slower cylinder actuation speeds✓
B)Reduced system operating pressure
C)Improved fuel consumption efficiency
D)Decreased hydraulic pump cavitation risk
💡 Explanation
Increased viscosity elevates the fluid's resistance to flow; the increased viscous friction causes decreased velocity of hydraulic actuators because the energy provided by pump degrades into heat due to increased friction, therefore the ram actuation slows, rather than speeding up, with other effects diminished.
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