The wetted area of a most economical trapezoidal section is 21.58m2, base width of 5m and side slope of 1H:3V. Calculate the maximum discharge through the channel if the C=60 and S0=1/500.

The wetted area of a most economical trapezoidal section is 21.58m2, b

1.	The wetted area of a most economical trapezoidal section is 21.58m2, base width of 5m and side slope of 1H:3V. Calculate the maximum discharge through the channel if the C=60 and S0=1/500.
A.	56.32 m<sup>3</sup>/ s
B.	66.32 m<sup>3</sup>/ s
C.	76.32 m<sup>3</sup>/ s
D.	86.32 m<sup>3</sup>/ s
Answer» D. 86.32 m<sup>3</sup>/ s

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The wetted area of a most economical trapezoidal section is 21.58m2, base width of 5m and side slope of 1H:3V. Calculate the maximum discharge through the channel if the C=60 and S0=1/500.

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