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Salty water flows steadily into an open 1000 liter tank initially filled completely with fresh water.
The salt water mixes thoroughly with the fresh water and the mixture overflows out of the tank. If the flow rate out of the tank is 60 liters/minute. Assume freshwater is 1000 kg/m^3, and the salty water is 1020 kg/m^3.
Determine the time (in seconds) to obtain a density of 1005 kg/m^3 ?
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This problem deals with the chapter dealing with velocity fields, the reynolds transport theorem and continuity.
Determine the unfactored dead load and live load on a typical interior roof beam, sketch the loading on the beam, and draw the shear and moment diagrams for the beam assuming the beam is simply-supported.
A groundwater is contaminated with methyl tertiary butyl ether (MTBE) at a concentration of 20 mg/L.the groundwater will be treated with an advanced oxidation process that involves formation of hdyroxyl free radical (OH*).
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An emission control system for a new car costs $750 and reduces NOx emissions from 0.4 g/mile to 0.18 g/mile. Assume the car is driven 10000 miles per year, and the life of the emissions control system is 11 years with zero scrap value.
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On a clear summer afternoon with a wind speed of 3.20 m/s measured at 100 m elevation, the TSP (total suspended solids) concentration was found to be 1520 ug / m3 at a point 2 km downwind
Tall buildings can develop a significant difference in pressure between the inside and the outside of the building. Air lock entrances are used at the ground level so the pressure at the ground floor is not the same as atmospheric pressure.
The car weights 2450 lb, the mechanical efficiency of the drivetrain is 90%, and the wheel radius is 14 inches. The base engine develops 200 ft-lb of torque, and a modified version of the engine develops 240 ft-lb of torque.
a spherical balloon inflated sos that the volume is increasing at the rate of cubic meter/min. At what rate is the diameter increasing when the diameter is 12 m?
Calculate the additional stress as a function of depth that a temporary construction wall , like that shown in Figure As 1, must take as the result of a crane sustained in the zone above it.
Determine the magnitude of F2 which will cause the reaction Cy at the bearing C to beequal to zero. The bearings are in proper alignment and exertonly force reactions on the rod. Set F1 = 550 lb.
Here are 3 forces acting on the ring. using the non vector approach, determine the resultant force of only the 150 Ib and 100 Ib forces. Also calculate the angle between the resultant force and the positive x axis.
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