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← ScienceWhich outcome occurs when fluid velocity exceeds design limits in aircraft fuel lines?
A)Increased heat exchanger efficiency
B)Unstable fuel pressure oscillations✓
C)Laminar boundary layer thickening
D)Decreased pump cavitation risk
💡 Explanation
Unstable fuel pressure results because exceeding designed velocity induces turbulent flow within the fuel lines, leading to pressure fluctuations according to the "Rayleigh-Plesset equation"; therefore, oscillations occur, rather than stable laminar flow.
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