A circular sewer of diameter 1 m carries storm water to a depth of 0.75 m. The hydraulic radius is approximately

A circular sewer of diameter 1 m carries storm water to a depth of 0.7

1.	A circular sewer of diameter 1 m carries storm water to a depth of 0.75 m. The hydraulic radius is approximately
A.	0.3 m
B.	0.4 m
C.	0.5 m
D.	0.6 m
Answer» B. 0.4 m

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A circular sewer of diameter 1 m carries storm water to a depth of 0.75 m. The hydraulic radius is approximately

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