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← TechnologyWithin aircraft hydraulic flight control systems, which consequence results when fluid pressure drops below the vapor pressure?
A)Surface erosion within control valves✓
B)Viscosity increases sharply, hindering response
C)Elastomer seals experience thermal degradation
D)System resonance shifts to lower frequencies
💡 Explanation
The formation of vapor bubbles, known as cavitation, induces surface erosion due to bubble collapse near valve surfaces because the pressure drop caused the fluid to vaporize. Therefore, erosion follows, rather than viscosity change given the specified conditions.
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