The hydraulic radius for flow in a rectangular duct of cross-sectional – McqOptions

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1.	The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is___________________?
A.	√(HW/π)
B.	HW/2 (H + W)2
C.	HW/4 (H + W)2
D.	2HW/(H + W)
Answer» C. HW/4 (H + W)2

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