Which outcome arises when a Roman aqueduct siphon experienced sedimentation buildup at the bottom of the U-bend?

💡 Explanation

When sedimentation builds up, the effective cross-sectional area decreases because particles deposit over time, increasing flow resistance and reducing overall discharge capacity based on Darcy's Law. Therefore reduced flow rate occurs, rather than structural failure, pressure increase, or contamination, which result from different mechanisms.

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