The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is
A. 1.5
B. 2.0
C. 3.0
D. 4.0
Answer: Option B
This Question Belongs to Civil Engineering >> Waste Water Engineering
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Main sewer upto diameter 1m = 2.
Branch sewer upto diameter .5m = 3.
Lateral sewer upto diameter .25m = 4.