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1.A trapezoid has a bottom width of b, and top width of T, a heightof h, and side slopes of z(horizontal to vertical). By integration, determine the location of the centroid of thetrapezoid Define your coordinate system.
2.A 10 cm long cylindrical core sample is subjected to alabrotory flow test under a preaaure differential of 3.4 atm usinga fluid of viscocity 2.5 centipoise (cp). the diameter of thecore is 4cm . a steady flow rate of .35 cm^3/sec wasmeasured. calculate the permeability of this sample.
The stream from a gas well is a mixture containing 50 mol % methane, 10 mol % ethane, 20 mol % propane, and 20 mol % n-butane. This stream is fed into a partial conderser maintained at a pressure of 250 psia
The specimen was 8 cm in diameter and had a length of 85 mm. The area of the standpipe was 0.45 cm^2. Compute the coefficient of permeability of the soil in cm/s, m/s, and ft/d. What was the probable classification of the soil tested
To avoid the salinization of soil in a farming area, parallel drainage canals are to be installed to maintain the water table at a depth of at least 4m below the ground surface. It is thought that no evapo-transpiration would occur below that dept..
A pump is to be used to draw seawater from the bay at an elevation of 0 to a reservoir at a desalination plant that has a water surface elevation of 255 feet. A 12-inch diameter DIP pipe (CHW = 120) which is 625 feet long connects the two bodies ..
A 1-kg block of dry ice(solid CO2) becomes a gas at room temperature. calculate the volume of gas produced at 25 degrees celsius and 975 kPa.
Water is flowing from a higher to a lower reservoir through a 24-inch pipe that has a Darcy friction factor of 0.02. The local loss coefficients for the bends, entrances, and exits sum to 3.5.
A typical energy of a laser pulse from such lasers is 1 mJ. Suppose that energy is uniformly distributed over the laser spot, and the effect is constant during the pulse (a square pulse).
During a regeneration process, some steam is extracted from the turbine and is used to heat the liquid water leaving the pump. This does not seem like a smart thing to do since the extracted steam could produce
Consider a state with a total water withdrawal of 4.5 bgd in 2000. This was distributed as follows: municipal use 1.0 bgd, industrial use 1.5 bgd, and steam electric cooling 2.0 bgd. Assume a 2000 Population of 10 million and a projection of 12 mi..
find teh minimum speed at which the train could pass over the tank and lift water up to teh full 4 m height. (hint: consider the locomotive to be stationary and neglecting all losses)
The trapezoidal channel has a slope of .004. The sides of the canal are sealed with a plastic membrane, which is protected by a 1 ft thick layer of 1 in diameter gravel. The bottom is a 6 in slab of rough concrete.
An insulated rigid tank is initially filled with a saturated liquid-vapor mixture of water. Initially three-quarters of the mass is in the liquid phase, the mass is 10 lbm, and the pressure is 15 psia.
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