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Which of the following is an advantage of the combined water carriage system?

(a) There is more air in large sewer

(b) There is the inclusion of storm water

(c) There is difficulties in ventilation of large sewer

(d) Overflowing of sewer

I have been asked this question in unit test.

I need to ask this question from Water Carriage System in chapter Water Supply for Building, Collection and Conveyance of Sewage, Waste Water Flow Rate of Environmental Engineering

1 Answer

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Best answer
Correct choice is (a) There is more air in large sewer

The explanation is: In combined water carriage system, due to more air in large sewer, the sewer gas formed gets diluted and the chances of foul smell reduces.

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