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Assuming a scale factor for the traverse of Problem 20.27 to be 0.99996294, calculate grid lengths for the traverse lines.
Problem 20.27:
The horizontal ground lengths of a three-sided closed-polygon traverse were measured in feet as follows: AB = 501.92, BC = 336.03, and CA = 317.88 ft. If the average orthometric height of the area is 4156.08 ft and the average geoid separation is -23.05 m, calculate ellipsoid lengths of the lines suitable for use in computing SPCS83 coordinates. (Use 6,371,000 m for an average radius for the Earth.)
Diesel fuel has an average chemical formula of C12H23 and a density of 6.45 lb/gal. Calculate how many lbs of CO2 are produced per gallon of diesel burned (assume complete combustion).
What soil conditions favor the use of belled caissons?
The in-situ dry density of a sand is 1.72 Mg/m^3 . The maximum and minimum dry densities, determined by standard laboratory tests, are 1.81 and 1.54 Mg/m^3, respectively. Determine the density index of the sand.
Suppose you are told that a process must achieve a 2.7 log removal of Giardia cysts. What does that mean in terms of % remaining and % removal?
In a water table aquifer bounded on the ends by rivers, the hydraulic conductivity is 50 m/day. The hydraulic heads at x = 0 and x = 1000 m are 100 m and 90 m, respectively.
Show a clear, dimensioned FBD for the 2x10 rafters. For the 2x10 rafters calculate the peak moment in units of ft. lb. For the 4x10 roof beam, assume the 4x10 roof beam is pinned to the subsequent 10ft section over each of the interior 4x4 columns. N..
Air expands isentropically from 1.5 MPa and 60°C to 0.4 MPa
Water is pumped 9 mi from a reservoir at elevation 100 ft to a second reservoir at elevation 210 ft. The pipeline connecting the reservoirs has a 54-in diameter. It is concrete and has an absolute roughness of 0.003. If the flow is 25 mgd and pumping..
An engineer is designing a horizontal, rectangular conduit that will be part of a system that allows fish to bypass a damn. Inside the conduit a flow of water at 40 F will be divided
A river discharges at a rate of 500 cfs into a lake. The water is drawn from the lake at a rate of 200 cfs. The surface area of the lake is 60 acres (1 acre = 43, 560 ft2). What is the rate of water rise in the lake in one day
A water treatment plant is being designed to process 50,000 m3/d of water. Jar testing and pilot-plant analysis indicate that an alum dosage of 40 mg/L with flocculation at a Gt value of 4.0 × 10^4 produce optimal results at expected water temperatur..
A tank operated as a CFSTR used to remove benzene from a flow stream is 1500 m3 in size. The flow rate in and out of the tank is 8 m3/day. If the influent benzene concentration of 265 ug/L and the effluent concentration is 12 ug/L
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