The overflow rate for plain sedimentation tanks is about
A. 500 to 750 liters/hour/m2
B. 1000 to 1250 liters/hour/m2
C. 1250 to 1500 liters/hour/m2
D. 1500 to 2000 liters/hour/m2
Answer: Option A
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Related Questions on Environmental Engineering
The distribution mains are designed for
A. Maximum daily demand
B. Maximum hourly demand
C. Average daily demand
D. Maximum hourly demand on maximum day
Sewage treatment units are designed for
A. Maximum flow only
B. Minimum flow only
C. Average flow only
D. Maximum and minimum flow
A. 4.5 to 6.0
B. 6.5 to 8.0
C. 8.5 to 10.0
D. 10.5 to 12.0
The overflow rate for plain sedimentation tank is 12000 to 18000 litres/sq.m/ day
The overflow rate of coagulant aided sedimentation is 24000 to 30000 litres/sq.m/day