A water pool is designed on the down stream of the hydraulic structure to dissipate the energy of falling water by providing a water cushion called ______________________?
Correct answer: B. Cistern
- A. Water pool
- B. Cistern
- C. Down stream pond
- D. Water cushion
Explanation
A cistern is a depressed stilling basin or water pool provided downstream of a hydraulic structure, where the water cushion dissipates the energy of falling water. The other terms are descriptive rather than the standard structural name.
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