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A tangent section of highway has a -1.0% grade and ends at station 4+75 and elevation 82 ft. It must be connected to another section of highway that has a -1% grade and that begins at station 44+12 and elevation 131.2 ft. The connecting alignment should consist of a sag curve, and be designed for a speed of 50 mi/h. What is the lowest grade possible for the constant-grade section that will complete this alignment?
What would be the resistance on a level road. What horsepower must be delivered to the wheels on the grade? If the efficiency is 80%, what must be the rated horsepower of the motor.
A settling tank in a water treatment plant has an inflow of 2m3/min and a solids concentration of 2100 mg/L. The effluentfrom this settling tank goes to sand filters. Theconcentration of sludge coming out of the bottom (the underflow) is18,000 mg/L, ..
Determine the valve loss coefficient needed for h=20 ft. All losses except for the flow control valve are negligible. The area of the pipe is 5 times the area of the exit nozzle.
Determine the magnitude of reaction at point A (in kips) of a 20' beam with 5kips at 4' of the beam and 2kips at 9' of the beam at 350lbs./ft.
A trapezoidal channel is carrying water at a normal depth of 5.2 ft, the channel has a bottom width of 10 ft and side slopes of 2 H to 1 V. It is running on a slope of 0.005 ft/ft. What will be the shear stress in lb/ft^2 exerted on the channel be..
A clean glass capillary tube having a diameter of .008 in. was inserted into water with a surface tension of 0.00504 lb/ft. Calculate the height of the capillary rise in the tube.
draw a flow net. show flow lines flow channels and equipotential lines. using flow nets please provide an estimate of
Water is flowing from a higher to a lower reservoir through a 24-inch pipe that has a Darcy friction factor of 0.02. The local loss coefficients for the bends, entrances
The total annual runoff from small drainage basin is determined to be approximately normal with a mean of 14.0 in. and a variance of 9.0in^2. Determine the probability that the annual runoff from the basin will be less than 11.0 in.
compute the maximum acceptable service load on an a36 steel plate tension member 14in.x12in. having a single line of
The evaporation rate from the surface of a 3650-acre lake is 100 acre-ft/day. Estimate the depth change in the lake in feet during a 1-year period if the net inflow to the lake is 25 cfs. Is the depth increasing or decreasing? What is the change in c..
Calculate expected error L if a theodolite has direct angular accuracy of 10" and a distance of 1500m was measured.
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