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In a water table aquifer bounded on the ends by rivers, the hydraulic conductivity is 50 m/day. The hydraulic heads at x = 0 and x = 1000 m are 100 m and 90 m, respectively.
(a) Calculate the darcy flux at x = 0, 100, 500 and 1000 m, and the flow rate per uit width of the aquifer. Assume recharge = 0
(b) Calculate the darcy flux at x = 0, 100, 500 and 1000 m, and the flow rate per unit width of the aquifer. Assume recharge = 0.02 m/day
(c) For (b), given the streams are located at x = 0 and x = 1000 m, determine where the groundwater divide is located.
Match each transformation description below with the name of a corresponding transformation. Diffusion-dependent with change(s) in phase composition(s) Diffusionless Diffusion-dependent with non change(s) in phase composition(s) The things you match ..
$25,000 is deposited in a savings account that pays 10% interest, compounded monthly. Equal annual withdrawls are to be made from the account, beginning one year from now and countinuing forever.
A pump for a wastewater treatment plant has a motor with a nameplate rating of 20 HP. When the pump operates the measured power draw is equivalent to 15 HP. The pump operates 80% of the time.
iron and vanadium both have the bcc crystal structure and v forms a substitutional solid solution in fe for
Water is transferred at a rate of 2.1cfs from an upper reservoir to a lower reservoir by a concrete pipe 3000ft long. The difference in water level is 60ft. Determine the size of pipe for a water temperature of 60 degrees Fahrenheit. Apply The Darcy-..
The maximum gage pressure is known to be 8MPa in a spherical steel pressure vessel having a 250mm diameter and a 6mm wall thickness. Knowing that the ultimate stress in the steel used is (sigma u)= 400MPa, determine the factor of safety with respe..
A 25 mm diameter steel cylinder falls under its own weight at a uniform rate of 0.1 m/s inside a tube of slightly larger diameter. Castor oil of viscosity 0.25 N.s/m2 fills the spacing between the tube and the cylinder.
An object which has a volume of 0.18 m^3 requires a force of 265 N to keep it immersed in water. If a force of 157 N is required to keep it immersed in another liquid, find the specific gravity of the liquid
The image is of a plane who's wheels are spread apart by 12 ft and on the ground. The left wheel being point A and the right wheel being point B. It also has an arrow around the front propeller in the clockwise direction.
given s=.30/(60-u), where s is the spacing (space headway) in miles, and u is the speed in miles per hour, derive the relationships u-k, u-q, and q-k. Also, estmate the capacity (qmax) of the roadway.
To adjust the mix so as to increase the compressive strength, the water-to-cement ratio is reduced to 0.45. Will the quality of the coarse aggregate increase, decrease, or stay the same
The truss is to be constructed of members with equal cross-sectional areas and using a material with yield stress 700 MPa. The structure must be designed to support a mass (m) of 3400 kg with a factor of safety of 3.
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