1. A rectangular open channel is to be constructed with smooth concrete on a slope of 0.075. The design flow rate is 18m^3/s. The channel design is optimum. What are the channel dimensions?
2. A circular sewer pipe (n=0.012) is installed on a 1.5% grade. Manning coefficient (n=0.013). Maximum full flow capacity = 4 ft^3/sec. Use a 12 in pipe.
a) What is the full flow capacity
b) What is the full flow velocity
3. A trapezoidal open channel with smooth concrete on a slope of 0.075, design flow rate = 18 m^3/s. Assume optimum design. What are the dimensions?
4. A Hydraulic jump forms at the toe of a spillway. Water surface levels are 0.3 ft and 7 ft above the apron before and after the jump, respectively. The velocity before the jump is 55 ft/sec. Find the energy loss.
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