The rise in river water level at up stream due to construction of weir is called__________________?
Correct answer: B. Afflux
- A. Pond level
- B. Afflux
- C. HFL
- D. FSL
Explanation
Afflux is the rise in the upstream river water level caused by an obstruction such as a weir or bridge. HFL and FSL are specified water levels, not the rise produced by the structure.
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