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A 100-m reach of sewer is to have a minimum capacity of 200 L/s. The street elevation at the upper manhole is 305.55 m and at the lower manhole is 303.05 m. Determine an appropriate pipe diameter and slope for this reach, and establish the pipe invert elevations at the upper and lower manholes. Assume that a minimum earth cover of 2 m above the pipe crown is required.
Using a safety factor of 2.00 and neglecting the pile dead weight, find the length of a 1' diameter circular concrete pile required to take a design load of 50 kips in a soil composed of two layers.
Solid waste production in the United states was 4.3lbs/person-day. Calculate the potential methane production in one year for a land fill that serves a community of 50,000 people.
Write a program that uses menu to select a type of figure (triangle, sqaure, pentagon, hexagon, heptagon, octagon), and then use switch-case to determine the value of n.
A Bonda portable generator is powering a small travelling fridge (120V) in your RV and consumes 125 watts. The efficiency of the generator's gas motor is 23% and the electrical portion (power head) is more efficient at 91%.
If the tensil testing machine can apply no more than 925 lbs. of force to the specimen, calculate the maximum rod diameter that should be used. (precision 0.000)?
When a fluid flows through a sharp bend, low pressures may developin localized regions of the bend. Estimate the minimumabsolute pressure (in psi) that can develop without causingcavitation if the fluid is water at 160 oF.
Maximum shear stress both in the tube and sleeve is 16000 psi. Calculate the fluid pressure, and determine the pressure between the sleeve and cylinder when the fluid pressure is absent.
A 12%,$ 50,000 bond is offered for sale at $45,000. If bond interest is payable monthly and the bond matures in 20 years, what nominal and effective rates of return per year will the purchaser make on the investment
a) Density plot, locating γd(max) and ω opt on the plot b) Zero-air voids curve for the soil on the same plotc) Curve representing S = 70%
You have determined that a 0.5 ppm concentration of copper sulfate should be applied to a lake to control the growth. The lake volume is 50 ac-ft. How many pounds of copper sulfate should be dissolved in the lake
At what temperature does the liquid solidify? What is the composition of this last remaining liquid phase?
Assume the following equations for the total benefit and totalcost of a reservoir project as afunction of scale, Q, expressed asmillion gallons water delivered per day(MGD):
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