Civil Engineering

1 answers
Fluids Problem -2
The air above the liquid is under a pressure of 5 psig, and the specific gravity of the liquid in the tank is 0.80. If the rectangular gate is 6 ft wide and if y1 = 1ft and y2 = 10 ft, what force P is required to hold the gate in place?...
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Determine the moment of inertia with respect to the x axis for the shaded area shown (Figure 2)...
Determine the moment of inertia with respect to the x axis for the shaded area shown (Figure 2) . The dimension is a = 2.00m ....
0 answers
University physics chap 22 problem 24
A point charge of -2.00μC is locatedin the center of a spherical cavity of radius 6.51cm inside aninsulating spherical charged solid. Thecharge density in the solid7.34*10^-4 C/m^3. Calculate the magnitude of the electric fieldinside the solid at a distance of 9.5cm from the center of thecavity....
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Fluid mechanics
A pressure gage at elevation 4.8 m on the side of a storage tank containing oil reads 34.7 kPa.Another gage at elevation 2.2 m reads 57.5 kPa. Compute the specificweight, density, and specific gravity of the oil....
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Thermodynamics Question
Consider a 1000-W iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-T6 (density = 2770 kg/m^3 and c(p)=875 J/kg C). The base plate has a surface areaof 0.03 m^2. Initially the iron is in thermal equilibruim with the ambient air at 22 C. Assuming 90 percent of the heat generated in th...
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Fluid Mechanics, Buoyancy
An 800 ft ship has a displacement of 35,000 tons, and the area defined by the waterline is 38,000 ft^2. Will the ship take more or less draft when streaming from saltwater to fresh water? How much will it settle or rise?...
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Environmental Engineering
Now consider the same lagoon as before (volume 1200 m3 receiving a steady flow rate of 120 m3/day with waste concentration of 100 mg/L) with the only difference beingthat the waste is now assumed to undergo first-order decay with decay coefficient k = 0.1/day.(a) What would be the steady state conce...
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Surveying
What are the nominal dimensions and acreages of the following parcels:a). NW 1/4, NE 1/4, sec. 28.b). S 1/2, Sec. 3c). SE 1/4, NE1/4, SW 1/4, Sec.16....
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Fluid mechanics problem.
estimate the velocity with which you would contact the ground if you jumped from an airplane at an altitude of 500ft and a) air resistance is negligible, b) airresistance is important, but you forgot your parachute, and c) you use a 25-ft-diameter parachute.assume that the weight of the person is 16...

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