A hydraulically efficient trapezoidal section has a side slopes of 2 – McqOptions

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1.	A hydraulically efficient trapezoidal section has a side slopes of 2 horizontal :1 vertical. The ratio of the bed width to depth B/y in this channel is
A.	4.94
B.	2.19
C.	0.472
D.	0.236
Answer» D. 0.236

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