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Similar to Problem 19.37, except the relative error is ±0.025 ft for benchmarks located 35 km apart.
Problem 19.37:
The relative error of the difference in elevation between two benchmarks directly connected in a level circuit and located 90 km apart is ±0.009 m. What order and class of leveling does this represent?
A hydroelectricity plant is supplied from a resevoir via a pipeline 2km long and 2.5m in diameter. The pipeline terminates at the downstream end at in a control valve. Determine the minimum surge tank size if the max allowable height
A 10 kg of refrigerant R-134a at 300 kPa fills rigid container whose volume is 14 L. The container is then heated until the pressure is 600 kPa.
Create a depreciation schedule showing annual depreciation amounts and end-of-year book values for a $26,000 asset with a 5 year service life, using the MACRS depreciation method.
A construction suveyour using a steel tape is pulling a critcal measurement for layout of a building. The terrain in the in the immediate area does not allow for level measuring area.
a brass ring of 120-mm outside diameter is fits exactly inside a steel ring of 120-mm inside diameter when the temperature of both rings is 5 degrees C. knowing that the temperature of the rings is then raised to 55 degrees C
Drawdown at a 0.20 m diameter, fully penetrating well, which has been pumping at the rate of 1000 m^3/day for a long enough time that steady state conditions have been reached, is determined to be 0.70 m.
An exhaust system was added to provide 1 air exchange per hour (ACH) in the crawl space. The outdoor concentration of radon is 1 pCi/L. Estimate the radon concentration in the crawl spce (in pCi/L).
All the members of the symmetrical rigid frame shown in Figure S11.2 are of uniform section. Determine the value of W at which elastic instability of the frame occurs in its own plane.
question 1figure 1 shows a large crawler crane in operation in a construction sitefigure 1nbspnbsp crawler
The only losses of total phosphorus for the lake are settling and fluching throught the lake's outlet. Assume the outflow rate is 212 km^2/year and the sediment area is 10,500 km^2.
Write the mass balance equation for an ideal 1D plug-flow stream under steady state conditions with a first-order decaying substance. Solve for the concentration as a function of the concentration x=0
How many pounds of coal must be burned to keep one 100 watt light bulb lit for one hour? Assume efficiency of the power plant is 35%, the transmission losses are 10% fo the delivered poer, and the heating value of coal is 12,000 BTU/lb
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