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Determine the acceleration of the initially stationary 20-kg body when the 50-N force P is applied as shown. The small wheels at B are ideal, and the feet at A are small.
Write the mass balance equation for a plug flow with a second order decaying substance,C. Solve for the steady state concentration of C as a function of the second order rate constant k, longitudinal distance x, mean velocity u, and the concentrat..
Assume that (t) is givenin degrees, and write the matlab statement to evaluate tan (t) aslong as the magnitude of cos(t) is greater then or equal to(10^-20). If the magnitude of cos(t) less then (10^-10,
Determine the activated sludge aeration volume required to treat 2.64 mgd with a BOD of 120 mg/l based on the criteria of a maximum BOD loading of 40 lb/1000 ft cubed/day and a minimum aeration period
A rectangular channel is to carry 200 cfs. The mean velocity must be greater than 2.5 fps. The channel bottom width should be about twice the channel depth. Find the channel cross section and the required channel slope.
Prepare cost estimates for components such as excavation, masonry, concrete, interior finishes, plumbing, electrical, and heating, ventilation, and air-conditioning (HVAC).
Diameter of the hose and the nozzle are .25ft and .1ft respectively. If the pressure inside the hose is 60 psig and the flowrate is 1.2 ft^3/s, calculate the horizontal force required to hold the hose in place.
The steel uniform shaft has four pulleys attached to it and frictionless bearings at its ends. The pulley at B is connected to a motor that is driving the system. The other three pulleys are consuming the power delivered by Pb .
There are 10 vehicles in a queue when an attendant opens a toll booth. Vehicles arrive at the booth at a rate of 4 per minute. The attendant opens the booth and improves the service rate over time following the function u(t) = 1.1 + .30t, where u(..
A watershed has four sub-areas. The annual precipitation and evaporation from each of the sub-areas are given in Table(below). Assume that there is no change in groundwater storage on an annual basis and calculate for the whole catchment the value..
A body slides down a frictionless plane and during the third second after starting from rest if it travels 20.4m. What is the angle of inclination of the plane?
Although primary and secondary sedimentation is responsible for the removal of some BOD, you will design a bioreactor which removes 85% of BOD entering the plant using an activated sludge bioreactor. Use the following values: Influent (to bioreactor)..
For the structure shown below:- Determine the reactions. Draw the bending moment diagram, shear force diagram and axial force diagram of each member. Draw the bending moments on the tension side.
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