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For the dam shown in Figure P14.6,
(a) Determine the flow rate under the dam if the equivalent hydraulic conductivity is k = 4 × 10-4 cm/s.
(b) Determine the pore water pressure distribution at the base of the dam.
(c) Calculate the resultant uplift force and its location from the upstream face of the dam.
(d) Calculate the weight of the dam to prevent uplift using a factor of safety of 1.2.
(e) Would piping occur if e = 0.6?
The acceleration of a particle traveling along a straight line is a=(1/4)s^1/2 m/s^2, where s is in meters. If v=0, s=1 m when t=0, determine the particle's velocity at s=2m
Consider an ideal gas refrigeration cycle using helium as the working fluid.
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we have the I-section made of steel (E = 29,000 ksi) which is to be used as a column, pinned at the top, and fixed at the base. Bracing is to be added in the direction of the weak buckling axis, at an unknown height, H.
The argon line and valve prior to starting work.
A concentrated moment is applied to the free end. Determine the maximum bending stress on the outside surface of the cylinder and the maximum bending stress on the inside surface of the cylinder.
The sphygmomanometer is a device used to measure blood pressure. For a healthy person, the diastolic pressure is about 80mmHg (gage). Convert the pressure to mm of blood assuming the specific gravity of mercury and blood are 13.6 and 1.05, respective..
water flows into a weigh tank for 30 minutes. Calculate the increase in weight of the tank, if the discharge is 1.5 ft^3/s. The temperature is 50 F.
Compare the head loss for water flow (Q=5 cfs) in a 12 in. , 3000 ft. long steel pipe using the darcy-weisbach equation and the hazen-williams formula.
The transmission main from the well field to the community is 2500 ft, the velocity of flow at peak pumping capacity is 3.5 fps, water temperature is 10oC, and pH is 7.5. If free chlorine residual is applied at the well field and is 0.5 mg/L entering..
If water vapor in the atmosphere has a partial pressure of 3500 Pa and the temperature is 30 degrees Celsius, what is its specific weight?
Suppose you are told that a process must achieve a 2.7 log removal of Giardia cysts. What does that mean in terms of % remaining and % removal
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