What is the required plan size of a square sedimentation tank (as the – McqOptions

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1.	What is the required plan size of a square sedimentation tank (as the primary sedimentation tank in sweage treatment), given that its effective depth is 3 m, and the flow rate is 40 MLD with admissible surface loading of 100,000 l/ m2 / day?
A.	23.5 m × 23.5 m
B.	30 m × 30 m
C.	20 m × 20 m
D.	15 m × 15 m
Answer» D. 15 m × 15 m

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