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← TechnologyWhich outcome occurs when the fluid viscosity falls below threshold in a hydraulic system utilizing spool valve flow control?
A)Increased valve spool hunting oscillation✓
B)Proportional actuator pressure amplification
C)Improved system overheat protection
D)Enhanced contamination particle filtration
💡 Explanation
Valve spool hunting oscillation increases because decreased viscosity enhances internal (leakage) flow altering control dynamics, enabling greater spool displacement and sensitivity. This causes increased oscillation, therefore spool instability becomes pronounced, rather than proportional pressure changes or overheating safeguards.
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