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Which outcome results when Reynolds number transitions within an aircraft fuel line?

A)Laminar flow becomes fully turbulent
B)Viscosity proportionally damps fuel flow
C)Hydraulic resistance linearly decreases
D)Entrance length stays virtually constant

💡 Explanation

Laminar flow becomes turbulent because inertial forces overcome viscous damping; therefore the flow transitions to turbulent flow, rather than gradually changing, because increased inertial forces associated with increasing Reynolds number dominate.

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