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Which outcome occurs when Reynolds number exceeds thresholds in aircraft fuel lines?

A)Transition to a turbulent flow regime
B)Increase in laminar boundary layer thickness
C)Increased fuel temperature and thermal expansion
D)Dramatic viscosity reduction improves filter efficiency

💡 Explanation

A transition to turbulent flow regime will occur because the inertial forces overwhelms viscous forces; therefore the flow becomes chaotic preventing smooth, predictable flow of fuel, rather than laminar which maintains an orderly flow.

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