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An engineer uses a standard technique for measuring the thickness of a clay landfill liner that has a typical standard deviation of 0.7 in. The project specifications require the liner thickness to be 36 inches or more, at least 95 percent of the time. This means that the 'minus tail' of the normal distribution curve of these measurements must have an area of 5 percent . What average thickness must the engineer build to meet these specifications? Please Explain the Steps !
If the coefficient of static friction between the 50-lb roller and the ground is 0.25, determine the max force P that can be applied to the handle, so that the roller rolls on the ground without slipping.
Write a balanced net equation for the reaction of the hydrogen ascorbate anion with water where hydrogen ascorbate acts as an acid.
Water flows through a tube at a rate of 7.5 kg/min while heat is added to it at a rate of 4.5 kW. If water entered at 20 degrees celcius, determine the exit temperature. Assume the pressure remains constant at 1 atm throughout.
The potentiometric surface elevations at two observation wells 1000 m apart are 52.35 m and 56.90 m. If the horizontal hydraulic conductivity of the auquifer is 25 m/ day determine the specfic discharge, and average linear veolicity of the flow as..
At point 2, the velocity and pressure are 14 ft/s and 23 psi. Determine at which of these two points the elevation is higher. Calculate the height difference. (Assume the sp ecific gravity of butane is 0.6 and that the butane is at a temperature o..
An emission control system for a new car costs $750 and reduces NOx emissions from 0.4 g/mile to 0.18 g/mile. Assume the car is driven 10000 miles per year, and the life of the emissions control system is 11 years
Find the percentage of Air voids and voids in the mineral aggregate if the asphalt absorption is .5%, and the specific gravities of the aggregate and binder are 2.660 and 1.020 respectively. The unit weight of the mixture is 2.39 Mg/m^3
A civil engineer used a 30-m tape in measuring an inclined distance. The measured length on the slope was recorded to be 459.20 m long. The difference in elevation between the initial and the end point was found to be 1.25 m
A uniform thin column of length L, positioned vertically with one end embedded in the ground, will deflect, or bend away,from the vertical under the influence of its own weight
Consider a steel containing 0.6% carbon and 10% chromium. Estimate the eutectoid temperature and concentration. What is the proeutectoid phase
a beam is made by bonding a brass core to a steel tube and is subjected to a bending moment as shown. knowing that b
Land is extremely valuable in this area therefore to win this job you need to consider innovative approach to reduce the waste areas
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