Q
The normal value of over flow rates for plain primary sedimentation tanks, ranges between________________?
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A
A. 25,000 to 35,000 litres/sqm/day
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B
B. 40,000 to 50,000 litres/sqm/day
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C
C. 50,000 to 60,000 litres/sqm/day
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D
D. 80,000 to 100,000 litres/sqm/day
Correct Answer:
B. B. 40,000 to 50,000 litres/sqm/day