*/*_The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is?

*/*_The ratio of the hydraulic radius to the diameter of the channel,

1.	/_The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is?
A.	0.3
B.	0.9
C.	0.03
D.	0.66
Answer» B. 0.9

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*/*_The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is?

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/_The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is?