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The Lateral sewer has a peaking factor of ____________

(a) 1

(b) 2

(c) 3

(d) 4

This question was posed to me in an internship interview.

Asked question is from Storm Water Flow topic in chapter Water Supply for Building, Collection and Conveyance of Sewage, Waste Water Flow Rate of Environmental Engineering

1 Answer

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Correct answer is (d) 4

For explanation I would say: The peaking factor of lateral sewer lies between 4 to 6 which is greater than Branch sewer, Main sewer and Truck sewer.

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