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A rectangular channel of width 12 ft has an upstream slope of 0.02 ft/ft and a downstream slope of 0.0005 ft/ft. Both reaches have lengths of 500 ft. The upstream reach has a Manning's roughness of 0.016 and the downstream reach has a roughness of 0.011. The design discharge is Q = 460 cfs, the low discharge is Q = 230 cfs, and the flood discharge is Q = 690 cfs. Using the direct step method by hand with 1 step, determine the location of the hydraulic jump relative to the slope break for the design discharge. Classify the jump type and calculate the energy lost.
A stream is in equilibrium with atmospheric oxygen upstream of a waste outfall. The waste outfall creates a BODo of 20 mg/L in the stream. The k(BOD) is 0.4 /day and the k(o
A U manometer reads 20 cm air as operating fluid and a given manometric fluid. A single branch closed tube reads 35 cm connected to point 1. If P2 = 1.2 ATM calculate the pr
The area is about 100,000 ha, the ground water pumping about 500 million m3 per year, and the water table drop about 3 m per year. Assuming no replenishment, what is the spe
Assume to just using coal as an electric energy source. Take efficency as %50 for average power plant.If the carbondioxide level is 400 ppm by volume now, what will be the c
During the first 18 minutes of a 1 hour trip, a car has an average speed of 11 m/s. What must the average speed of the car be during the last 42 minutes of the trip to be if
A truck spils 1 gallon of benzene into an aquifer with an area= 50ft^2 Benzene has a solubility of 1750 ppm, and a specific gravity of 0.873. The aquifer ahs a porosity of 0
determine a composite scs runoff curve number for a 600acre basin that is totally within soil group C. the land use is 40% contoured row crops in poor hydrologic condition.
Determine the deflection of a simple uniformly loaded beam by the Ritz method,using first one term, then two terms, adn finally three terms in a sine series. Why does the co
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