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The drinking water needs of an office are met by large water bottles. One end of a .25 in diameter plastic hose is inserted into the bottle placed on a high stand, while the other end with an on/off valve is maintained 2 ft below th bottom of the bottle. If th water level in the bottle is 1.5 ft when it is full, determine how long it will take at the minimum to fill an 8 oz glass (=.00835 ft3) (a) when the bottle is first opened and (b) when th bottle is almost empty. Neglect frictional losses.
what is elastic wave tomography , flat jack, push shear test in masonary?
A random variable X has density function f(x) = CX^2 1
The relative density of a sloped sand deposit is known to be 75%. Water is observed to be seeped through this slope at a rate such that the discharge velocity is 0.6 m/day. If the hydraulic conductivity for this deposit is 4×10-4 m/s.
Determine the discharge for (a) commercial steel (b) cast iron (c) smooth concrete and the flow gain if the highest capacity pipe material is chosen over the lowest.
A 1600 ft long sag verical curve (equal tangent) has a pvc at station 1200+00 and elevation o 1500 ft. the initial grade is -3.5% and the final grade is 6.5%. determine the elevation and stationing of the low point, pvi and pvt.
What is the velocity head expressed in atmospheres for a rapid filter operated at a surface loading rate of 475 m/d when the local porosity is 0.40?
A cylinder with a moveable piston holds .20 lb of hydrogen initially in a volume of 1 cu ft at a tem-perature of 1300 F. Then the volume is expanded to 2.5 cu ft while the gas pressure remains constant.
A turbine located 225 m below the water surface at intake, carries a flow of 3.5 m^3/s. The head loss in the pipeline leading to it is 10 m. Find the power (kW) delivered by the turbine if its efficiency is 92%.
The subcritical water level in the channel downstream from the stilling basin is at an elevation of 100 feet above the datum. assume no energy loss over the spillway, determine the invert of the stilling basin required to form a hydraulic jump in ..
It is not uncommon to borrow $100,000 or more to purchase a home. Banks typically offer 15-,20-, and 30- year loans. a) Calculate the monthly loan payment to repay a $100,000 home loan
What would the aperture have to be if there were two fractures of equal aperture. For your calculations you can assume that the rock matrix that contains the fracture(s) has zero hydraulic conductivity.
A 2in cube coal specimen, which was tested in a lab, failed at 8,000lb. A set of main entries is to be designed through the 5ft seam from which the specimen was extracted. If there is 500ft of overburden, and assuming a 50% recovery, what will be t..
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