The self cleansing velocity for all sewers in India is usually
A. Less than 1.0 m/sec
B. 1.0 m/sec to 1.2 m/sec
C. 1.5 m/sec to 2.0 m/sec
D. 3.0 m/sec to 3.5 m/sec
Answer: Option B
This Question Belongs to Civil Engineering >> Environmental Engineering
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Self cleaning velcity can be between 0.5 m/sec -2 m/sec, but as indian standard condition it is 0.75m/sec.
. 85 m/sec Or. 9 m/s so less than 1m/s
it is in between 0.6 to 0.9 m/sec so it will be
.75 m/sec
Less than 1m/s