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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?
- To prevent flooding
- To regulate sediment flow
- To create a temporary reservoir
- 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.