635Civil EngineeringMedium
To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is________?
A0.60 m/sec
B0.70 m/sec
C0.75 m/sec
D0.50 m/sec
Correct answer
C. 0.75 m/sec
Explanation
The correct answer is 0.75 m/sec.