The normal values of over flow rates for sedimentation tanks using coagulant, ranges between________?
A40,000 to 50,000 litres/sqm/day
B50,000 to 60,000 litres/sqm/day
C80,000 to 100,000 litres/sqm/day
D25,000 to 35,000 litres/sqm/day
Correct answer
B. 50,000 to 60,000 litres/sqm/day
Explanation
The correct answer is 50,000 to 60,000 litres/sqm/day.