MCQOPTIONS
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| 1. |
In a 50 meter section of a waste water pipe, if the gradient is 1 in 80, then the fall in millimeter is _____________ |
| A. | 625 to 625 |
| B. | 350 |
| C. | 225 |
| D. | 676 |
| Answer» B. 350 | |