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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.
The 3.5mg engine is suspended from a 500 kg spreader beam and hoisted by a crane which gives it an acceleration of 4m/s^2 when it has a velocity of 2m/s. determine the force in chains AC and AD during the lift.
it carries a uniform service load of 2450 lb/ft in addition to its own weight. material strengths are f'c=4000psi and fy=60000psi .assume a weight od 150 pcf for reinforced concrete.
Discuss some of the impact/ importance of the solutiongenerated and how these solutions have improved over time
An engineering student is driving on a level roadway and sees a construction sign 500 ft ahead in the middle of the roadway. the student strikes the sign at a speed of 25 mi/h.
The stream from a gas well is a mixture containing 50 mol % methane, 10 mol % ethane, 20 mol % propane, and 20 mol % n-butane. This stream is fed into a partial conderser maintained at a pressure of 250 psia
a. Determine the shear and moment diagram. b. Calculate the maximum normal stress on the top of the beam, on the bottom of the beam and indicate in terms of x its location.
The uniform load has a mass of 450 and is lifted using a uniform 35- strongback beam and four ropes. Determine the Tension in the ropes Determine the force that must be applied at A.
A worker is to paint the walls of a square room 8ft high and 12 ft along each side. what surface area in square meters must she cover?
Two 1/2 inch rods are spliced together by glueing a 2 inch section of plastic pipe over the rods ends. If a tensile force P = 350 lb is applied to the spliced nylon rod, what is the average chear stress in the glue joint between pipe and the rods?
The homogeneous gate shown consists of one quarter of a circular cylinder and is used to maintain a water depth of 4m. That is, when the water depth exceeds 4m, the gate opens slightly and lets the water flow under it.
In a constant-head permeability test a sample of soil12 cm long and 6 cm in diameter discharged at 1.5*10^-3 of water in 10 minutes. The head difference in two piezometers A and B located at 1 cm and 11 cm, respectively
material for an earth fill was available from a borrow sites at a cost $ 6 .4 per cubic meter and a void ratio of 0.8. in the compacted state the fill measured 100,000 m^3 at a void ratio of 0.7.
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