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Q. |
What is the recommended slope ratio for soil water pipes? |
A. | 1:12 |
B. | 1:20 |
C. | 1:30 |
D. | 1:40 |
Answer» D. 1:40 | |
Explanation: soil water pipes should run at a steeper slope, such as 1:40, as they have solids. these can be of cast iron or of pvc. minimum of 100 mm diameter pipes are used for waste water. |
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