Detention period of a settling tank is – McqOptions

MCQOPTIONS

1.	Detention period of a settling tank is
A.	average theoretical time required for water to flow through the tank
B.	time required for flow of water to fill the tank fully
C.	average time for which water is retained in tank
D.	ratio of volume of basin of a sedimentation tank to the rate of flow
E.	all the above.
Answer» F.

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