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A large drainage channel has a trapezoidal cross section with a bottom width of 75 feet and bank side slopes of 4:1 (H:V). If the normal depth of flow is 25 feet, compute the normal flow rate through the channel (Q in cfs). The slope of the bayou is 2.0 x 10-4 ft/ft. Assume that the n = 0.02.
A discharge of 2,200 ft^3/sec flows in a trapezoidal channel at a normal depth of 8.0 ft. The channel has a slope of 0.01, a 12-ft bottom width, and side slopes of 1:1 (H:V). Determine the manning coefficient of channel roughness
A ladder of mass 20 lbs. is leaned at an angle of 62 degrees against a smooth frictionless wall. What is the magnitude of the reaction (in lb-wt) where the ladder touches the wall?
A conical tube of length 8 m fixed vertically with its smaller end upwards. The velocity head and pressure head at upper ends are 1.27 m and 2.50 m respectively. The velocity head and pressure head at lower ends are 0.203 m and 5.407 m respectivel..
A body slides down a frictionless plane and during the third second after starting from rest if it travels 20.4m. What is the angle of inclination of the plane?
You have a $1,500 monthly loan payment. If inflation is 3.5% annually (compounded monthly). What is the constant dollar amount of this payment in your 80th month
Determine the unfactored dead load and live load on a typical interior roof beam, sketch the loading on the beam, and draw the shear and moment diagrams for the beam assuming the beam is simply-supported.
At a temperature of 9°C, a 2-mm gap exists between two polymer bars and a rigid support. Bars (1) and (2) have coefficients of thermal expansion of t1 = 102 x 10-6 /°C and t2 = 66 x 10-6/°C, respectively.
an electrical-generation utility sometimes pump liquid water into an elevated reservoir during periods of low electrical consumption. this water is used to generate electricity during periods when the demand for electricity exceeds the utilities a..
Include immediate and consolidation settlements, but ignore secondary compression. In your calculation, use three sublayers with thicknesses of 4 ft, 8 ft and 16 ft for the top, middle and bottom layers. Ignore any settlement caused by the dense s..
An undisturbed soil sample has a total unit weight of 19.4 kN/m3, a dry unit weight of 16.9 kN/m3, and a specific gravity of soil solids (Gs) of 2.69. If the sample could be saturated without changing its porosity, calculate the amount of water (i..
Do the administrators of server systems still have to be concerned about, and take further countermeasures against DoS attacks, if so, what types of attacks can still occur, and what measures can be taken to reduce their impact?
Estimate the steady state PM10 concentration assuming a PM10 deposition velocity of 0.12 cm/s, prevailing wind velocity of 2.5 m/s, and a constant emission flux of PM10 0.82 mg/m2-s.
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