Q298
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 shallow manhole if its depth is less than 0.9 m
D.
All the above
AnswerAnswer: Option D
Solution
Answer: Option D
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