Calculate the uniform flow rate in an earth-lined

Reference no: EM13549319

1.Calculate the uniform flow rate in an earth-lined (n = 0.020) trapezoidal canal having bottom width 3 m, sides sloping 1V : 2H, laid on a slope of 0.0001, and having depth of 1.8 m.

2.Rectangular channels of flow cross section 50 f t^2 have dimensions (width X depth) of (a) 25 X 2 f t (b) 12.5 X 4 f t. Calculate the hydraulic radius of these sections.

3.What are the best dimensions for a trapezoidal canal having a side slopes of 1V : 3H and n = 0.020, if it is to carry 40 m^3/s uniformly on a slope of 0.009.

4.A rectangular channel of 20 f t width and having n = 0:017 carries flow of 800 f t^3/s. Calculate (a) critical depth (b) the minimum speci c energy (c) the speci c energy when depth of flow is 7 f t. What type of flow exists when the depth is (d) 2 f t and (e) 6 f t ?

Reference no: EM13549319

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