+1 vote
in Environmental Engineering by (81.4k points)
Into how many types manholes are classified on the basis of depth of manhole?

(a) 3

(b) 5

(c) 6

(d) 7

I had been asked this question in a national level competition.

This interesting question is from Devices Associated with Sewer topic in division Construction of Sewers, Sewer Appurtenances and Sewage Pumping of Environmental Engineering

1 Answer

+2 votes
by (693k points)
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Best answer
Correct option is (a) 3

Easy explanation: Manholes are classified into Shallow, Normal and Deep on the basis of depth of the manhole.

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