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What is the purpose of a check dam as a diversion headwork?

39. What is the purpose of a check dam as a diversion headwork?

1. To prevent flooding
2. To regulate sediment flow
3. To create a temporary reservoir
4. To divert water into canals

Answer

The correct answer is: B) To regulate sediment flow

Explanation

To improve the quality of the water downstream, check dams are generally employed to slow down water flow and capture silt.