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| Q. |
Which of the following statement is wrong? |
| A. | In a trapezoidal notch fall, the top width of the notch is kept between 3/4th to full water depth above the sill of the notch. |
| B. | The energy dissipation takes palce by the provision of roughening devices. |
| C. | The siphon fall is designed to maintain a fixed supply level in the channel. |
| D. | Energy dissipators are provided for small discharges. |
| Answer» D. Energy dissipators are provided for small discharges. | |
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