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Which of the following types of falls is typically used to dissipate energy and reduce erosion in irrigation channels?

63. Which of the following types of falls is typically used to dissipate energy and reduce erosion in irrigation channels?

1. Rapid fall
2. Free fall
3. Drop fall
4. Hydraulic fall

Answer

The correct answer is: C) Drop fall

Explanation

Drop falls are designed to reduce the velocity of water by causing it to drop vertically, dissipating energy, and minimizing erosion.