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Write Darcy's equation in 2-D. There are three piezometers in an unconfined sand aquifer as shown below. The head measurements at A = 104.56 ft, B = 104.53 ft, C = 103.42 ft. The rate of recharge here is estimated to be 1.25 ft/yr. The average horizontal hydraulic conductivity (Kx) is 8 ft/dy. Assume that in the vicinity of these three piezometers, the vertical specific discharge (qz) equals the recharge rate.
a. Estimate the vertical hydraulic conductivity using the heads at wells A and B.
b. Estimate the horizontal specific discharge (qx), using the heads at wells B and C.
c. Make a scaled vector sketch showing the x and z components of the specific discharge and the resulting total specific discharge. Assume there is no flow in the y-direction
Determine the mass ratio, For a vehicle in gravitationless space, determine the mass ratio necessary to boost the vehicle velocity by 1600 m/sec
The cost of a 100,000 bbl/d ethanol unit is $40,000,000. From historical records, the capacity exponent ratio for CCR is 0.75. Estimate the cost of a similar ethanol unit with a capacity of 135,000 bbl/d.
determine diameter of 200 m section commercial steel pipe (darcy's friction factor f = 0.0115) that carries a flow of 0.24 m^3/s and allowable head loss ove the section is 3.5 m.
Cartridges cost $120 each and require 2 weeks to obtain from the vendor. Jill uses (Q,r) policy to control inventory of cartridges. You can assume that there are 50 working weeks in a year.
The u-tube manometer has legs of unequal internal diameter d1 and d2, which are partially filled with immiscible liquids of density1, and density2 respectively and which are open to the atmosphere at the top.
A cantilever beam of length 50 ft is embedded in a wall at A and has a free end B. A concentrated load of 100 kips upward is located at x = 25 ft from A. A uniformly distributed load of 20 kips/ft downward extends from 25 to 50 ft.
If rod slides along the horizontal slot with a velocity of 44 ft/s , determine the angular velocity of link BC at the instant
A runway used for landing only is used by two types of aircraft, one with an airspeed of 120 knots (nautical miles/hr) and the other with an airspeed of 150 knots. The length of common approach path is 6 nautical miles.
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.
an apple weighs 60g and has a volume of 75cm^3 in a refrigerator at 8 degrees C. What is the apple's density List three intensive and two extensive properties of the apple.
Briefly describe the measures that should be considered for the control of corrosion of embedded steel in concrete.
You plan to use a tank of total volume V= 10 m3 to remove a contaminant at concentration Cin = 1 g/m3 from a waste stream with a flow rate of Q = 1 m3/h. The reaction is first order with a rate constant k1 = 0.5 h-1.
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