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Two vessels are connected to a differential manometer using mercury (s=13.56), the connecting tubing being filled with water. The higher-pressure vessel is 5 ft lower in elevation than the other. Room temperature prevails. If the mercury reading is 4.0 in, what is the pressure difference in feet of water, and in psi? If carbon tetrachloride (s=1.59) were used instead of mercury, what would the manometer reading be for the same pressure difference?
A fully penetrating well of 30 cm diameter in an unconfined aquifer of saturated thickness 50 m was found to give the following draw down - discharge relationship under equillibium condition.
The end of a 0.75-in-diameter rod is fixed to an immovable plate. The length of the rod is 18.0 in. A 50-lb weight is attached to a 16.0-in lever at the end of the Rod so that the weight is hanging perpendicular to the longitudinal axis of the rod..
a town is installing a new 10 main to carry drinking water. the onlynbspsection remaining to be installed is a segment
For a drainage area of 5,187mil^2 mean annual runoff is determined to be 3,708ft^3/s and the annual averge rainfall is 35.5 inches. Estimate the annual ET losses in inches for the area.
Compacted one cylinder of the soil describes above problem 1 to compare the new results with shown above. The data obtained included a water content of 32.5% and a total density of 121.9 pcf. Comment on these new findings.
Use the bisection method to find the root of the equation f(x) = x 2 - 4sin(x) = 0. For initial bracketing interval [a,b] , take a=1 and b = 3.
The calculation and layout of horizontal and vertical curves should be done only by experienced surveyors and differential leveling measurements
A standard five-day BOD test is run using a mix consisting of four parts distilled water and one part wastewater (no seed) the initial DO of the mix is 9.0 mg/l , and the do after Five days, determined to be 1.0mg/l. what is BOD5
consider the cantilever beam-mass system. formulate and solve the minimum weight design.
A Brayton cycle with a regenerator uses air as the working fluid. The air enters the compressor at 283K and 0.1 MPa. The highest temperature in the cycle is 1073K and the pressure ratio across the compressor is 8.
The rate constant for decay of contaminant A in the reservoir is k=1.5 (1/year). Assuming the population, discharge rate, and reservoir conditions have been stable for a long time, estimate the concentration of A in the reservoir.
Indoor air quality is an under appreciated health hazardous. The air quality in a building can be modeled as a CSTR. Suppose that the carpet in a new office building releases formaldehyde at a rate of 10 micrograms per hour.
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