Civil Engineering - Waste Water Engineering - Discussion

34. 

In case of sewer lines

[A]. water test is carried out to check water tightness of the joints
[B]. test for straightness is carried out with the help of a lamp and mirror
[C]. obstruction test is carried out with the. help of smooth ball of diameter 13 mm
[D]. all the above.

Answer: Option D

Explanation:

No answer description available for this question.

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