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Which outcome occurs when incompressible fluid viscosity increases in Bernoulli's equation for pipeline flow?

A)Increased head loss over distance
B)Elevated fluid kinetic energy profile
C)Decreased flow turbulence overall
D)Uniform pressure distribution across pipe

💡 Explanation

Increased viscosity raises the frictional forces resisting flow; the friction is described via Darcy-Weisbach equation and apparent in head loss. Thus, Momentum Diffusion becomes significant because energy dissipates resisting the motion; therefore there’s head loss, rather than elevated energy consistent with lower viscosity.

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