MCQOPTIONS
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| 1. |
The wetted perimeter of the most economical trapezoidal section is 7.47m, the base width is 3m and has the side slope of 1H:2V. |
| A. | 1m |
| B. | 2m |
| C. | 3m |
| D. | 4m |
| Answer» C. 3m | |