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The resistance of a beam of uniform width to bending is found to be proportional to the square of the beam depth y. For the cantilever beam shown the depth is h at the support. Find the required depth y as a function of the length x in order for all sections to be equally effective in their resistance to bending
A source discharging 0.72 m2/s is located at (-1, 0) and a sink of twice the strength is located at (+2, 0). For a remote pressure (far away) of 7.2 kPa, ρ = 1,240 kg/m3, find the velocity and pressure at (0, 1) and (1, 1)
The crane is expected to operate with a 50% duty cycle for 120 hours per week for at least 10 years. The pinion and the gear of the drive must fit within the 24-in inside diameter of the drum, with the gear mounted on the drum shaft.
design a horizontal curve for a two lane road. The road has 12 ft. lanes. Due to expensive excavation, it was determined that a maximum of 34 ft. can be cleared from the roads centerline towards the inside lane to provide for stopping sight distan..
An aluminum link is subjected to axial tension. The loading is limited by the conditions of not yielding and not elongating excessively. The yield limit is satisfied if the stress remains below 50%of the 325M Payield stress.
A 2 m high sandy fill material was placed loosely at a relative density of 47%. Laboratory studies indicated tht the maximum and minimum void ratios of the fill material are 0.92 and 0.53, respectively.
A block with an inclination of 20 degrees has a weight of 60kg, a height of 1.8m and width 1m, static friction is 0.3, what is the force needed and the height (where the force in the box should be) to pish it upwards
A tension specimen has a gauge length of 8 inches and a diameter of .505 inches. A load of 9580 pounds was found to develope a stress in the specimen equal to the proportional limit of materials. ( assume that the proportional limit and the yield ..
Submit your cost analysis for the materials, along with a scaled drawing of the truss, identifying on the drawing the tensile and compressive force in each member. Also include your calculations of the complete force analysis.
Calculate and compare the ozone concentration in ug/m^3 for a polluted day in Mexico City (210 ppbv ozone, 30 C, 0.77 atmospheres pressure) and the ozone concentration in the stratosphere (8 ppmv ozone at 30 km). Use the Standard Atmosphere to get pr..
An undisturbed cylindrical soil sample is 2.4 in. in diameter and 6 in. long. It has a weight of 1.95 lb. After finding the weight of the entire sample, a small portion was removed and a moisture content test was performed on it. The results of this ..
Concrete cover on both sides. Sketch how you will place the bars and calculate the location of the effective depth. Place as many bars in the lower layers as possible.
To imagine the diagram, the collar at point A (unstretched) is on the same x-axis as the anchor @ C, while the collar point B (stretched) is located downwards-left to point A, forming a 30 degree angle with the y-axis (vertical). In other words, the ..
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