The normal value of over flow rates for plain primary sedimentation tanks, ranges between________________?
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A. 25,000 to 35,000 litres/sqm/day
B. 80,000 to 100,000 litres/sqm/day
C. 50,000 to 60,000 litres/sqm/day
Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.