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Figure C10.5 shows a hydraulic model of a compound weir, one that combines two different shapes.
(a) Other than measurement, for which it might be poor, what could be the engineering reason for such a weir?
(b) For the prototype river, assume that both sections have sides at a 70° angle to the vertical, with the bottom section having a base width of 2 m and the upper section having a base width of 4.5 m, including the cut-out portion. The heights of lower and upper horizontal sections are 1 m and 2 m, respectively. Use engineering estimates and make a plot of upstream water depth versus Petaluma River flow rate in the range 0 to 4 m3 /s.
(c) For what river flow rate will the water overflow the top of the dam?
a tape is calibrated and found to measure 100.04ft between the 0- and 100-ft marks. what measurements should be laid out to establish a horizontal distance of 682.25ft?
Estimate the weight of concrete in a four-lane highway segment that begins as a 3% grade climb from 1000 feet altitude to 4000 feet and then a 6% downgrade to 2500 feet
An existing high-way railway at-grade crossing is being redesigned as a grade seperated to improve traffic operations. the railway must remain at the same elevation. the highway is being reconstructed to travel under the railway.
A 1m thick layer of this soil is packed so that it is as loose as possible (void ratio, e_max ~= 0.9), and then it was vibrated until it was as dense as possible (void ratio, e_min ~= 0.35).
Plot the distribution of vertical effective stress and pore water pressure with depth if the void ratio of the sand is 0.6 and the degree of saturation is 90%. Neglect pore air pressure.
If it absorbs 100 Joules each cycle from the hot reservoir, how much work does it do. How much heat is given off in each cycle If each cycle takes 0.5 seconds, find the power output of the engine.
The maximum population that can be served from the new development without exceeding the capacity of the trunk sewer. Diameter, slope, and invert elevations of sewer XB.
Determine the factor of safety for a 9 foot long hollow steel column 3.5 inches on a side that has a wall thickness of 0.225 inches and is loaded with a 22 kip load.
The atmosphere is stable with a lapse rate of -0.2C/100m. The surface air temperature is 15C. A parcel of air is released at the ground with a temperature of 25C. Calculate the maximum mixing height in meters.
A sailboat capsizes a large distance from shore. What might be done to 1) right the boat and 2) prevent this from occurring again. How would this be accomplished specifically
Using the properties of water for the drink, determine the mass of ice that will melt by the time the canned drink cools to 45°F.
chromate waste is concentrated by evaporation in a series of shallow flow through reactor tanks connected by a short
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