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Which type of sewer serves as an outlet for large territory?

(a) Lateral sewer

(b) Main sewer

(c) Branch sewer

(d) Separate sewer

The question was asked in an online interview.

This key question is from Types of Sewers in portion Construction of Sewers, Sewer Appurtenances and Sewage Pumping of Environmental Engineering

1 Answer

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Best answer
Correct option is (b) Main sewer

The best explanation: Main sewer acts as an outlet for the large territory as it receives sewage from many tributary branches.

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