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What is the diameter of a domestic sewer pipe laid at gradient 1 in 100?(a) 150 mm(b) 250 mm(c) 120 mm(d) 80 mm |
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Answer» The correct option is (a) 150 mm For explanation I would say: Following are some recommendations for domestic sewer pipe. 100 mm – 1 in 60. 150 mm – 1 in 100. 200 mm – 1 in 120. |
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