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A toxic compound being is removed from solution in a CSTR at Steady State according to a first order reaction rate. The upstream concentration of the pollutant is 14 mg/L and the downstream concentration is 1.7 mg/L. The volume of the CSTR tank is 3120 m^3. Water is being treated at a rate of 48 m^3/min. Calculate (i) the rate of removal, (ii) the rate constant, and (iii) the residence time.
A dye test reveals that the specific discharge between the two wells is about 2.75 m/day. if the wells are 45m apart, What type of aquifer material do you expect in this location
Oil of a specific gravity of 0.75 is flowing through a 6-in pipe under a pressure of 15 psi. If the total energy relative to the datumplate is 8.0 ft below the center of the pipe is 58.6 ft, determine the flow rate of the oil.
The longitudinal slope of the swale is to be 1.5% with side slopes of 5:1 (H:V). If the grassed swale has a Manning's n of 0.030 and a minimum infiltration rate of 200 mm/hr, determine the length of the swale required.
A tangent section of highway has a -1.0% grade and ends at station 0+1450and elevation 25m. It must be connected to another section of highway that has a -1% grade and that begins at station 1+345 and elevation 40m.
Prepare a capstone report for designing of steel building using AISC 14 edition manual.
how to calculate the principle of shoring system in formwork analysis when the secondly floor upper has been poured ?
A freeway exit ramp has a single 12-foot lane and consists entirely of a curve with a central angle of 90 degrees and L=628 feet. If the distance cleared of obstacles is 19.4 feet from the centerline, what design speed was used
A rigid-walled cubical container is completely filled with water at 40 0F and sealed. The water is then heated to 100 0F. Determine the pressure that develops in the container when the water reaches this higher temperature
determine the pressure head at the nozzle inlet to produce a water jet velocity of 40 ft/s. Neglect the friction loss and assume incompressible flow.
How much money should an environmental soil cleaning company borrow to finance a site reclamation project if it expects revenue of $140,000 in the first year increasing by 3% per year over the 5-year cleanup period? The interest rate is 8%.
a brass ring of 120-mm outside diameter is fits exactly inside a steel ring of 120-mm inside diameter when the temperature of both rings is 5 degrees C. knowing that the temperature of the rings is then raised to 55 degrees C
An equal tangent vertical curve is to be constructed between grades of -3.0% (initial) and 1.0% (final). The PVI is at station 110+00 and elevation 420 ft. Due to a street crossing the roadway, the elevation of the roadway at station 112+00 must b..
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