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A 10,000 cubic yards fill along a forest road right of waywill be compacted using grid rollers to a unit weight of 120 poundsper foot cubed. the fill material will be hauled to the site in 12cubic yard dump truck that are tipically loaded to about 85% ofthere volume capacity. while in the truck bed, the fill material istipically rather loose and as been estimated to have a unit weightof 80 pounds per foot cubed. each truck dispatched to the projectcan haul 8 loads per day.
How many days will be required for fill construction if 2trucks, 4 trucks, or 6 trucks are dispatched to the project?
the flow rate into the lake is 10 m3/s, the surface area of the lake is 1 x 107 m2, and the rate of evaporation from the lake is 6 cm/wk, how long ago did the dumping stop?
determine the power that must be supplied to the motor at this instant. The motor has an efficiency of 76 %. Neglect the mass of the pulleys and cables.
The city has a stable population of 235,000 residents and the design criteria for the new landfill are as follows: MSW generation rate = 4.0 lb/(person-day); density of the compacted MSW in the landfill is 775 lb/yd3
If the tensil testing machine can apply no more than 925 lbs. of force to the specimen, calculate the maximum rod diameter that should be used. (precision 0.000)?
A company facing an interest rate of 8% must choose among projects offering the following four-year cash flows. If the company is employing the net present value criterion, which project should they choose
how much money today is equivalent to lump sum of $100,000 in 20 years with interest rate of 6% per year compounded (a)monthly, (b)quarterly, (c)semiannually
Point F is located just to the left of the 18kN and 25 kN*m couple moment. A) Determine the internal normal force at point E in the compound beam. B) Determine the shear force at point E in the compound beam.
Verify that the displacement response of the system - single-degree-of-freedom model below is subject to the pulse loading
The stream from a gas well is a mixture containing 50 mol % methane, 10 mol % ethane, 20 mol % propane, and 20 mol % n-butane. This stream is fed into a partial conderser maintained at a pressure of 250 psia
establish a grass cover over a 10ha landfill. the root zone of the grass is 40cm deep. increase the volumetric water
a level is setup midway between X and Y reads 5.572 ft on X and 4.946 ft. on Y. The level is setup very close to X and a reading of 4.666 ft. is taken on X. what should the reading be at Y to adjust any collimation error of the level
A particularly long traffic light at an intersection is green 20% of the time. A car approaches this intersection once each day. Let X represent the number of days the car encounters a green light.
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