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The diameter of main service pipe may vary from ___________(a) 2-15 mm(b) 12-40 mm(c) 50-75 mm(d) 60-80 mmThis question was posed to me in an online quiz.Query is from Plumbing for Buildings topic in division Plumbing for Buildings of Construction & Building Materials |
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Answer» Correct option is (B) 12-40 mm |
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