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1.A well of radius 0.4 ft produces water from an unconfined aquifer with K = 12 ft/day. The well is located 850 ft from a large water body that acts as a constant head boundary. If the saturated thickness of the aquifer at the water body is 75 ft, what is the maximum production rate of the well?
2.Estimate the total cost and cost per linear foot for furnushing and driving steel-sheet piling for construction of the basement of a building, 150 by 240 ft. the piles will be 22 in. wide, 18 ft. long, and weigh 40.3 Ib/Lin ft. the piles will be driven in pairs to full penetration into soil having normal frictional resistance.
The specific yield of an unconfined aquifer is Sy = 0.15. How much, on average, would the water table need to be lowered (in m) in an area of 2.5 km^2 to release 6.5 x 10^5 m^3 of water from storage in this aquifer
Why don't we assume that there is an unknown moment about B? It the solution it only shows a horizontal force at B. And is there a reason why the horizontal force at B is labeled By?
If the tank is 2 meters deep and the particle enters the tank at the surface of the water, what is the longest amount of time that the particle can take to settle, if it is to be removed
Solar cookers can be used in less developed countries for cooking and also for thermal disinfection of water. To disinfect water, the water must be heated to about 35 Celsius for 5 hours. Of course, it takes time to raise the temperature of the wa..
A first order reaction occurs in a PFR at the rate of 2.1 hr^-1. The reactor volume is 1400L and flow is 15 gpm. If the influent concentration is 200 mg/L, then what is the effluent concentration
A box of mass M=500 kg hangs by a rope from a beam with dimensions a=2.0 m and b=3.0 m. The beam has mass m=85 kg. Find the tension T_c in the cable and the magnitude of the net force F exerted on the beam by the hinge.
The acrylic plastic rod is 200mm long and 15mm in diameter. If an axial load of 300N is applied to it, determine the change in its length and the change in its diameter. Ep = 2.70 GPa, Vp = 0.4.
An earth embankment is compacted at water contect of 17% to a bulk density of 1.90 gm/cc.If the specific gravity of soil grains is 2.65, then what will be the degree of saturation of the compacted embankment
An automobile that you are looking at purchasing has an advertised fuel mileage of 30 miles per gallon. You rent the car for a week and track your mileage to school and back home and get (miles/gallon)
Suppose the gas above the soda in a bottle of a soft drink is pure CO2 at a pressure of 2 atm. a. Estimate the pH of the soda. b. Calculate CT, the total dissolved inorganic carbon.
A new sponge iron factory has an annual capacity of 100,000 tons/year of Iron production. Benzopyrene is produced during this process at a rate of 0.00006% of Iron produced.
Calculate the final pressure, temperature when the nitrogen isreduced to that volume. What is the modulus of elssticity at thebeginning and end of the compression. k=1.4
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