The self cleansing velocity for all sewers in India is usually_________________?
Found an error? Read our corrections policy and report it in the comments below.
A. 1.5 m/sec to 2.0 m/sec
B. 3.0 m/sec to 3.5 m/sec
C. less than 1.0 m/sec
Found an error? Read our corrections policy and report it in the comments below.