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The 6-kg frame AC and 4-kg uniform slender bar AB of length l slide with negligible friction along the fixed horizontal rod under the action of the 80-N force. Calculate the tension T in wire BC and the x- and y-components of the force exerted on the bar by the pin at A. The x-y plane is vertical.
Wastewater flow of 2000 m3/day containing 120g/L of salt. Discharge into a river with a flow of 34,000 m3/day and a salt concentration of 50 mg/l. The agency wants to maintain the salt level to no greater than 250 mg/L downstream of the discharge.
The pipe contains two 6 in steel elbows, two fully open gate valves, a fully open 90o angle valve, and a swing check valve. If the discharge end of the pipe is located 20 ft higher than the entrance, what is the pressure difference between the two..
the flow rate into the lake is 10 m3/s, the surface area of the lake is 1 x 107 m2, and the rate of evaporation from the lake is 6 cm/wk, how long ago did the dumping stop?
A pipeline 1200 ft long and 8 in. in diameter has at its inlet point 75ft of available hydraulic energy with respect to the reference level. The velocity in the pipe is 5 fps: the pressure at its end is 12psi.
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
A container with a plunger compresses one pound mole of an ideal gas from 1 atmospheres pressure to 10 atmospheres. Calculate the amount of work done if the process is considered to be polytropic. Assume the temperature to be 273K and the value of k ..
A turbine expands to a pressure of 10 kPa and a quality of 0.94. Determine the temperature T and the specific volume at this state.
Compute the nominal shear strength of an M10 x 7.5 of A 572 grade 65 steel
Also determine the temperature at the final state in part (b).
What ground distance will be measured if grid distance is 2158m and Orthometric height = 850m, Scale factor Sf = 0.9999943, Geoidal separation N = 27m, Ra = 6371km
Find the concrete cross-section and steel area required for a simply supported rectangular beam with a span of 20 ft that is to carry a computed dead load of 1.3 k/ft and a service live load of 2.25 k/ft. Material strengths are fc’ = 5000 psi and fy ..
1) The structure shown below is loaded by a load, P, which is co-linear with member 3. Find the components u1c, u2c of the displacement of the node C. All members have the properties E, I, and A. Ignore shear deformation. Note the hinge at node ..
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