Civil Engineering - Waste Water Engineering - Discussion

5. 

Pick up the correct statement from the following :

[A]. The boning rod is used for checking the levels of the sewer inverts
[B]. Manhole covers are made circular for the convenience of the cleaning staff
[C]. A manhole is classified as deep manhole if its depth is more than 1.5 m
[D]. A manhole is classified as shallow manhole if its depth is. less than 0.9 m
[E]. All the above.

Answer: Option E

Explanation:

No answer description available for this question.

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