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Determine the most economical and safe design
An axial load P is supported by a short W8 X 40 column of a cross-sectional area A = 11.7 in2 (inches squared) and is distributed to a concrete foundation by a square plate as shown Knowing that the average normal stress in the column must not exceed 35 ksi and that the bearing stress on the concrete foundation must not exceed 3.5 ksi, determine the side a of the plate that will provide the most economical and safe design.
Two materials (wrought iron, ks = 0.046 mm, and galvanized iron, ks = 0.15 mm) are being considered for a new pipeline. The expected discharge is 0.15 m3/s. Both the head loss and cost are sought for.
The story: The Civil Engineering Department would like to have solar panels installed on the roof of Ghausi Hall to supply some of its electricity use - after all there is plenty of space on the roof and plenty of sun in Davis.
a 1600ft long sag vertical curve(equal tangent) has a PVC at station 120+00 andelevation of 1500 ft.the initial grade is -3.5% and the final grade is +6.5%.
If the tensil testing machine can apply no more than 925 lbs. of force to the specimen, calculate the maximum rod diameter that should be used. (precision 0.000)?
The natural ground water table at a site is located at a depth of 2m below the ground water. Laboratory tests reveal that the voidratio of the soil is 0.85 while the grain size corresponding to 10%finer is 0.05 mm.
Distance AB is observed repeatedly using the same equipment and procedures - Determine the weighted mean for the angles - What is the area of a rectangle field and its estimated error for the recorded values.
Consider a 1000 acre residential area with a housing density of four dwellings per acre. Evaluate the peak hourly water use requirement.
A spherical water tank has a diameter of 10 ft. Determine how many gallons of water are contained in the tank if the tank is filled to a depth of: a) 1 foot of water measured from the bottom of the tank b) 3 feet of water measured form the bottom o..
Apopulation of pheasants is released onto 6 islands. The pheasantcame from the mainland where predators are common. Three of theislands have predatory fox present (have-predators) and three donot have fox present (predator-free)
You measure an angle with a theodolite several times and record the following observations. What is your best estimate of the true value of the angle What is the standard error of the observations
1-what criteria should zachary use evaluate the project ?2-what assumptions should he make?3-what additional data and
It is commonly known that there are 16 ounces in 1 lb. Consider a 0.5lbf glass that weighs 1 lbf when filled with 8 ounces of liquid. Determine the liquid density in British gravitational units and in SI units.
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