In a circular sewer of diameter D, if the depth of flow is D/4, what is the wetted perimeter equal to ?

In a circular sewer of diameter D, if the depth of flow is D/4, what i

1.	In a circular sewer of diameter D, if the depth of flow is D/4, what is the wetted perimeter equal to ?
A.	œÄD/4
B.	œÄD/2
C.	œÄD/3
D.	2œÄD/3
Answer» D. 2œÄD/3

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In a circular sewer of diameter D, if the depth of flow is D/4, what is the wetted perimeter equal to ?

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