Waste Water Engineering
If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is

4 hours
6 hours
2 hours
8 hours

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Waste Water Engineering
In case of sewer lines

Water test is carried out to check water tightness of the joints
All listed here
Test for straightness is carried out with the help of a lamp and mirror
Obstruction test is carried out with the help of smooth ball of diameter 13 mm

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