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The design of arobotic system calls for ther two-rod mechanis shown. Rods AC and BD are connected by a lider block D as shown. Negelcting th eggect of friction, write a omputer porgram and use it to determine the the couple M_A required to hold the rods in equilibrium for values of theta to 120 degress using 10 degreee increments. For the same values of theta, determine the m,agnitude of the force F exerted by Rrod AC on the slider block.
The company will use an annual interest rate of 10%. Annual maintenance and pumping costs may be considered to be paid in their entireties at the end of the years in which their costs are incurred.
A 1m thick layer of this soil is packed so that it is as loose as possible (void ratio, e_max ~= 0.9), and then it was vibrated until it was as dense as possible (void ratio, e_min ~= 0.35).
A 4-m-long rigid beam is supported by a pinned connection and cable. the beam weighs 2.0 kn and hangs horizontally when unloaded When the beam is not loaded the solid cable is 4.00 m long and has a solid area of 175 mm1
A family of six in a five bedroom house would like to treat their wastewater in an onsite septic system, constructed wetland, and tile drainage (leach field) system. They will be generating a maximum of 1.2 m3/d of septic tank effluent.
The bottom of a rectangular flume is 5mabove reference level. The depth of the water in the flume is 3m.The average velocity is 1.7 m/s. Compute the total hydraulic energyat the surface of the water and at the bottom of the flume.
An in-compressible fluid flows horizontally in the x-y plane with a velocity given by u = 33 (y/h)^1/2 , where y and h are in meters and h is a constant. Determine the average velocity for the portion of the flow between y = 0 and y =h.
if the sphere falls at a speed of 150mm/s, what is the mean velocity relative to the cylinder wall of the water in the gap surrounding the midsection of the sphere
The tank is insulated on the outside and the partition between the two sections is also an insulator. The partition can withstand a pressure differential across it of 400 kPa, before rupturing.
A plunger applies pressure to the water. If, with zero force, the initial length of the water column is 25.00 in, what will it's length be if a force of 420lbs is applied to the plunger. Assume no leakage and no friction.
Consider a state with a total water withdrawal of 4.5 bgd in 2000. This was distributed as follows: municipal use 1.0 bgd, industrial use 1.5 bgd, and steam electric cooling 2.0 bgd
If D1 = 60 cm, D2, = 40 cm, D3 = 54 cm, L1 = 400 m, L2 = 450 m, and L3 = 750 m. Assume f = 0.0125 (3 riveted steel pipes). Determine the total flow if the system head loss is 60 m.
A landfill is located 500 km from a river whose surface elevation is 40 m lower than the ground elevation at the landfill. After several years it is discovered that leachate from the landfill, with a COD of 1300 mg/L, is leaking into the river.
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