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A rectangular channel carries a discharge of 2.00 m3/sec per meter of channel width over a weir crest that is 1.4 m in height. The energy grade line upstream of the weir measure 2.7 m above the channel bottom. Determine the true coefficient of discharge in the weir equation, considering the energy losses. Also determine the amount of the energy losses in meters.
There are three reactors degrading a chemical biologically, at three degradation rates; i.e., 0.2 d^-1, 0.4 d^-1, and 1.0 d^-1. The residence time of the chemical in these reactors are 10 d, 5 d, and 55 d, respectively
The foundation soil for an earth dam has a horizontal hydraulic conductivity of 1.5 x 10-9 m/s and a vertical hydraulic conductivity of 1 x 10-10 m/s. It is proposed to estimate the seepage flow rate through the foundation soil using the flow net ske..
The combustion of 52.8g of butane produces 104.0g of CO2. what is the percentage yield of the reaction
a channel which has a trapezoidal cross-section with a bottom width of 6 m and side slopes 1:2 discharges water at a rate of 5 m3/s. Determine the critical depth.
The pinion gear rolls on the gear racks. If B is moving to the right at 8 ft/s and C is moving to the left at 4 ft/s, determine the angular velocity of the pinion gear and velocity of its center A.
Determine the drag force FD on a golf ball assuming it is a smooth sphere. (Assume the air is at 60 F and standard pressure.) Now determine the drag force on an actual golf ball assuming CD = 0.25. How do the two forces compare
A random sample of 50 suspension helmets used by motorcycle riders and automobile race- car drivers was subjected to an impact test, and on 18 of these helmets some damage was observed.
The allowable shearing stress is 15 ksi in the steel rod AB and 8 ksi in the brass rod BC. Knowing that the torque of magnitude T=10 kip * in. is applied at A, determine the required diameter of a) rod AB, b) rod BC.
calculate departures and latitudes, misclosures in departures and latitude, and traverse relative precision. Balance the departures and latitude using the compass rule, and calculate coordinates of points B, C, and D.
It accelerates wibt constant tangential accleration of at= 0.75 m/s^2. Determine the distance traveled and the time elasped when the magnitude of the car's totale acceleration is 0.9 m/s^2.
A refrigerator compressor compresses 0.5 kg/s of saturated R-134A vapor at -10C to 1000 kPa and 50C. The compresser has a point that is not insulated and losess heat to the surroundings,
What concentration of Ozone is sometime used as a disinfectant for drinking water. Ozone is highly reactive it will react benign species found in water, as well as the pathogens it is intended to kill. It found that ozone reaction in water nearly fol..
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