Which of the following is called as depressed sewer?
(a) Lateral sewer
(b) Outfall sewer
(c) Inverted siphon
(d) Main sewer
This question was addressed to me in unit test.
The query is from Inverted Siphon, Storm Regulator and Sewage Pumping topic in portion Construction of Sewers, Sewer Appurtenances and Sewage Pumping of Environmental Engineering