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← ScienceWhich outcome increases risk when exceeding the Reynolds number threshold in aircraft hydraulics?
A)Chaotic pressure fluctuations cause cavitation✓
B)Reduced lubricity accelerates component seizing
C)Increased density diminishes actuator responsiveness
D)Decreased viscosity creates thermal runaway
💡 Explanation
Exceeding the Reynolds number leads to turbulent flow. Inertial forces dominate viscous forces, causing chaotic pressure fluctuations which can then result in cavitation because the local pressure drops below the fluid's vapor pressure; therefore cavitation risk increases rather than decreased lubricity or viscosity effects.
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