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The size of the vent pipe commonly used in house drainage is ________(a) 30 mm(b) 100 mm(c) 50 mm(d) 75 mmI had been asked this question in an interview for job.I need to ask this question from Plumbing for Buildings topic in division Plumbing for Buildings of Construction & Building Materials

Answer»

Correct option is (c) 50 mm

The best I can explain: The size of the vent pipe commonly used in house drainage is 50 mm. It is provided for the ventilation of the SYSTEM. It is open at the top and the bottom to FACILITATE the exit of FOUL GASES.



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