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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 the distribution system, what is the log inactivation of viruses?
A Newtonian fluid is in the clearance between a shaft and a concentric sleeve. When a force of 600 N is applied to the sleeve parallel to the shaft, the sleeve attains a speed of 1 m/s. If a 1500 N force is applied
calculate the critical depth of a circular concrete pipe with a diameter of 42 inches, a Manning's Number of .014, a slope of .025% and a flow rate of 10 CFS (cubic feet per second). The radius is 3.55 and normal depth is 25 inches
A simple four-leg intersection needs a 2-phase fixed-time signal. The critical flows in the N-S and E-w directions are 600 and 400 veh/hr, respectively, with a 0.95 peak-hour factor.
At a railroad crossing, an overpass must be built centered over the tracks at a height of 24ft and be 200ft long. the existing highway has a design speed of 50mi/hr. what length of the existing level highway must be reconstructed to provide an approp..
A cylindrical chimney,1 m in diameter and 2.5 m tall is exosed to a uniform 50km/hr wind at standard atmospheric conditions.End effects and gusts may be neglected.
The Hubert H. Humphrey Metrodome in Minneapolis opened in 1982 at a cost of $55 million. To prepare for the footings, et cetera, 3.00x105 cubic yards of dirt were removed. The Metrodome's inflatable roof covers 10.0 acres and its interior volume i..
You open a 16 oz (1 pint) bottle of a carbonated soft drink that has a temperature of 5°C, then you get distracted and forget to drink it. You come back quite some time later and find that it has gone "flat," and that it has gotten warm (20°C).
For arectangular section (b(width) x h(thickness) that is subjected to aforce P that is applied at an eccentricity (e) measured from thecenter of area of the rectangle in the h (thickness) direction.
How much of a reduction in the automobile emission rate would be required to achieve the maximum eight-hour average NAAQS for CO at steady state 9ppmv (10.3 mg/m3)?
A rod of steel is 20 m long at a temperature of 200C. find the free expansion of the rod when the temperature is raised to 650C. Find the temperature stress produced
Describe the design summarry of a vertically loaded wall or column.
Structural health monitoring using Guided Wave propagation for Detection and Evaluation of Flaws in Pipes.
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