The detention time of a circular tank of diameter d and water depth H, – McqOptions

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1.	The detention time of a circular tank of diameter d and water depth H, for receiving the sewageQ per hour, is
A.	d² (0.011d + 0.785H)/Q
B.	d (0.022d + 0.085H)/Q
C.	d (0.785d + 0.011H)/Q
D.	d (0.285d + 0.011H)/Q
Answer» B. d (0.022d + 0.085H)/Q

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