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A triangular piece of land is bounded by 135 ft of fencing on one side, 145 ft of stone wall on another side, and 245 ft of road frontage on the third side. What are the interior angles formed by the boundary lines?
The overhead electric hoist C rides along a track on the horizontal beam AB. In addition to the 500-kN vertical force carried by the hoist, the beam also supports the three vertical forces shown.
Plateau Creek carries 5.0 m^3/s of water with a selenium (SE) concentration of 0.0015 mg/L. a farmer starts withdrawing 1.0 m^3/ of the creek water to irrigate the land.
Determine the change in dilation angle between the two tests, if a CD test were carried out.
A water treatment plant treats a continuous flow rate of 50,000 m^3/day and plans to build a 10,000 m^3 tank to house an additional treatment process. What will be the steady-state effluent concentration of an ideal CSTR
If there are 50 vehicles on a 4000-ft highway lane and the average time headway between two adjacent vehicles is 2.2 seconds. A) Calculate traffic density in vehicle/mile (vpm) and average space headway in feet/vehicle (fpv).
The maximum wind pressure on the traffic sign is 200 kg/m2. The maximum allowable shear stress is 350 kg/cm2. Design the traffic pole (only vertical element) against torsion knowing that angle of twist at the base
Annual maintenance cost for a particular section of highway pavement are $2000. The placement of a new surface would reduce the annual maintenance cost to $500 per year for the first 5 years and to $1000 per year for the next 5 years.
During the summer months (December - March), the town population increases to 9,000 people due to holiday makers. The population growth rate was expected to be 1.5% per year
Soil material is being assessed as a possible liner for a sanitary landfill. A soil core was collected and brought to the laboratory. A 10-cm tall section of soil has 2 cm of water continuously ponded on it. The area of the core surface is 78 cm^2..
The U.S. Department of Energy (DOE) constructed a Darrieus vertical-axis wind turbine in Sandia, New Mexico. The machine is 60.0-ft tall and 30.0-ft in diameter, and swept an area of 1200 ft 2.
A 4 in. in diameter shaft moves through a well-oiled sleeve that is 12 in. long. The force required to move the shaft is 25 lbf, and the shaft velocity is 5 in./s.
It is desired to obtain dynamic similarity between 3 cfs of water(ρ = 1.94 slug/ft3, μ= 2.735 x 105Ibs/ft2) flowing in a pipe and oil 9s.g = 0.91, μ=12 x 105 ibs/ft2) flowing in a 12in diameterpipe at a velocity of 25 ft/s at 90 deg F. What size of p..
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