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Design a circular radial-flow clarifier for a town with a projected population of 45,000. Assume that the wastewater flow is 400 L/capita-day. Size the system for a 2-hr detention time at average flow. Determine the tank depth and diameter to produce an overflow rate of 36 m/d for average flow.Assume standard tank dimensions to fit mechanisms made in diameters with increments of 1.0 m and depth increments of 0.5 m.
Box I contains 3 red and 5 white balls, while Box II contains 4 red and 2 white balls. A ball is chosen at random from the first box and placed in the second box without observing it's color. Then a ball is drawn from the second box.
Molybdenum has a BCC crystal structure, an atomic radius of0.1363 nm, and an atomic weight of 95.94 g/mol. Compute andcompare its theoretical density with the experimental valuefound inside the cover.( experimental density is 10.22g/cm^3)
a mountain water reservoir in a national park is to provide water at a flow rate of Q= 200 gpm and a minimum pressure of 40 psig in the lodge of the valley 200 ft below the reservoir.
A discharge meter to be used in a 40 cm pipeline carrying oil (kinematic viscosity = 10-5 m2/s, density = 860 kg/m3) is to be calibrated by means of a model (1/4 scale) carrying water (T = 20°C and standard atmospheric pressure).
Water flows through a tube at a rate of 7.5 kg/min while heat is added to it at a rate of 4.5 kW. If water entered at 20 degrees celcius, determine the exit temperature. Assume the pressure remains constant at 1 atm throughout.
Consider a cantilever mass-less beam subjected to a concentrated mass at the tip of the beam. Assume, length L, flexural stiffness EI, and mass m.
Determine the available tensile strength (Pa) in kips to the 1st decimal point for the A36 steel plate in accordance to the 14th Edition of AISC LRFD Specifications. The bolts are in standard holes. U = 1.0
Ball A is thrown vertically upward from the top of a30-m-high-building with initial velocity of 5m/s. At the same instant another ball B is thrown upward from the ground with aninitial velocity of 20m/s. Determine the height from the ground andthe ti..
A 10,000 ft3 mass of saturated clay had a void ratio of 0.962 and a specific gravity of solids of 2.71. A fill was then placed over this clay, causing it to compress. However, the volume of the solids remained unchanged. After this was complete, the ..
The pressure at the end of the bend is 78 pounds per square inch. Determine the horizontal components of the forces necessary to hold the bend in place.
The cost for maufacturing a component used in intelligent interface converters was $23000 the first year. The company expects the cost to increase by 2% each year. Calculate the presence worth over a 5 year period at an interest rate of 10% per ye..
two uniform rectangular plates weighing 800 llb ar freely hinged about their commonn edge and suspended by central cable ad for symmetrical corner cables. calcuate tension T in each of the corner cables and the tension To in the center
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