Determine the top width length of the most economical trapezoidal chan – McqOptions

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1.	Determine the top width length of the most economical trapezoidal channel section having depth y and side slope Z.
A.	( sqrt{1+Z^2} )
B.	( frac{y}{2} sqrt{1+Z^2} )
C.	y ( sqrt{1+Z^2} )
D.	2y ( sqrt{1+Z^2} )
Answer» E.

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