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Two pumping wells, A and B, are 100m apart. They each completely penetrate a homogeneous, confined aquifer, and pump at exactly the same rate, 5m^3/day. Prior to pumping, the piezometric head was 30m, the same as the thickness of the aquifer. An observation well that is located 50m from well B and 150m from Well A, records a drawdown of 5m. Assume steady state conditions and a radius of influence of 100m for each well. Make a sketcha.) what is the hydraulic conductivity?b.)what is the drawdown halfway between well A and well B?
Assume frictionless flow in a long, horizontal, conical pipe. The diameter is 12 inches at one end and 6 inches at the other. The pressure head at the smaller end is 16 feet of water.
A train moving at 100 km/hr decreases its speed to 80 km/hr in 3.5 seconds. How far, in meters, did the train travel during this time
The vertical deflection in a simply supported beam follows the following equation: v = -[(w_0*x)/(360LEI)](7L^4 - 10*L^2*x^2 + 3*x^4) What is the equation for the applied load w(x)
Provide the minimum number of ports. The design conditions are: Winter design fl ow rate 4,300 m 3 /d Minimum river elevation held constant by lock and dam system 99.0 m 500-year fl ood elevation 113.3 m River bottom elevation 90.4 m
Calculate the stress in a No. 7 rebar subjected to a tensile load of 10,600 lb (in ksi).
Model tests are to be performed to study the flow through a large check valve having an inlet diameter of 2 feet and a volume flowrate Qp of 30 cfs. The working fluid in the model is water at the same temperature as that in the prototype.
Wastewater is discharged into an aquifer. This wastewater contains 0.1 ppm atrazine (a common herbicide). The MCL of atrazine is 5 ppb, the density is 1.19 g/mL and the solubility is 50 ppm. 500 ft away from the plant effluent there is a permeable..
Determine axial force and Max bending - Question in structure analysis
Sketch the SCS triangular and curvilinear UHs and the mass curve for a 100-mi^2 watershed which is 60% good condition meadow and 40% good cover forest land. The watershed consists of 70% soil group C and 30% soul group A.
what type of SO2 removal device before (in front of) or after (following) the particle collector would you use?
determine the stresses in the steel and concrete under the service loads
a beryllium copper wire having diameter of 1-50 mm and length of 40mm is used as a small torsion bar in an instrument. determine what angle of twist would result in the wire when it is stressed to 250 mpa.
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