+2 votes
in Environmental Engineering by (81.4k points)
_______ condition exists when the sewer is laid at a depth between 9m to 12m.

(a) Trench ditch

(b) Trench

(c) Tunnel

(d) Embankment

The question was asked in an international level competition.

Question is taken from Forces and Loads on Sewer topic in portion Construction of Sewers, Sewer Appurtenances and Sewage Pumping of Environmental Engineering

1 Answer

+1 vote
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Best answer
Right answer is (c) Tunnel

The best I can explain: Tunnel condition exists when the sewer is laid at a depth between 9m to 12m. This process is done by jacking or by tunneling.

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