A trapezoidal channel with a bottom width of 6 m, free surface width of 12 m,...

 

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A trapezoidal channel with a bottom width of 6 m, free surface width of 12 m, and flow depth of 1.6 m discharges water at a rate of 80 m/s. If the surfaces of the channel are lined with asphalt (n = 0.016), determine the elevation drop of the channel per kilometer. Answer: 6.75 m 12 m 1.6 m 6m 6mm 2.5 to ribi 11 boniupen FIGURE P13-47 boxe at Jon at die woll sdi A trapezoidal channel with a bottom width of 6 m, free surface width of 12 m, and flow depth of 1.6 m discharges water at a rate of 80 m/s. If the surfaces of the channel are lined with asphalt (n = 0.016), determine the elevation drop of the channel per kilometer. Answer: 6.75 m 12 m 1.6 m 6m 6mm 2.5 to ribi 11 boniupen FIGURE P13-47 boxe at Jon at die woll sdi