A rectangular channel with a bottom slope of 0 0004 is to be built to transport water at a rate of 750 ft 3 s Determine the best dimensions of the channel if it is to be made of (a) Unfinished concrete (b) Finished concrete

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A rectangular channel with a bottom slope of 0.0004 is to be built to transport water at a rate of 750 ft 3 /s. Determine

A rectangular channel with a bottom slope of 0.0004 is to be built to transport water at a rate of 750 ft³/s. Determine the best dimensions of the channel if it is to be made of

(a) Unfinished concrete

(b) Finished concrete.

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