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← ScienceWhich outcome occurs when oil viscosity decreases excessively in hydraulic dampers?
A)Increased system mechanical resonant frequency
B)Spurious activation of overflow valving
C)Elevated heat dissipation throughout damper
D)Reduced damping effect on oscillations✓
💡 Explanation
Decreased viscosity reduces the fluid's resistance to flow, so viscous damping lessens therefore oscillations are reduced, rather than system resonances changing because that would depend on mechanical parameters like spring constant, not fluid properties.
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