Question

A uniform drainage ditch along a local road has a triangular section with a maximum depth of 8 inches and a top width of 6 feet. The total length is 240 feet. The elevation at Pont A is 192 ft and at Point B is 188.5 ft. The channel bottom is cement lined (n-0.012). What is the maximunm flow capacity of this ditch? 1. 6 ft 8 inches (Cross-sectional view) Point B Ditch Point A (Plan view)

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sft 4iven ui dhy 192-183, 5 = 3-5 far top undttr 6 feet Flovwarea 6 x1 a m Crots section 36 1)240 ( .-(001% レ S74

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