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Q. |
What is the minimum diameter of the pipe used to collect black water? |
A. | 50 mm |
B. | 75 mm |
C. | 100 mm |
D. | 125 mm |
Answer» C. 100 mm | |
Explanation: soil water or sewage is from wcs and urinals. this is also called black water. minimum of 100 mm diameter pipes are used for waste water. |
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