Estimate the hydraulic radius of the most economical trapezoidal channel section having depth y and side slope Z.

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Estimate the hydraulic radius of the most economical trapezoidal chann

1.	Estimate the hydraulic radius of the most economical trapezoidal channel section having depth y and side slope Z.
A.	<sup>y</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>2</sub>
B.	y
C.	2y
D.	3y
Answer» B. y

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Estimate the hydraulic radius of the most economical trapezoidal channel section having depth y and side slope Z.

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