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An Engineer is designing a hydraulic lift with a capacity of 10 tons. The moving parts of this lift weigh 1000 lbf. The lift should raise the load to a height of 6 ft in 20 sec. This will be accomplished with a hydraulic pump that delivers fluid to a cylinder. Hydraulic cylinders with a stroke of 72 inches are available with bore sizes from 2 to 8 inches. Hydraulic piston pumps with an operating pressure range from 200 to 3000 psig are available with pumping capacities of 5, 10, and 15 gallons per minute.
Need to select a hydraulic pump size and a hydraulic cylinder size.
The velocity along a pathline is given by V (m/s) = s^2 x t^(1/2) where s is in meters and t is in seconds. The radius of curvature is 0.5 m. Evaluate the acceleration along and normal to the path at s = 2m and t = 0.5 seconds.
using stadia and inclined sights, the stadia top and bottom readings are 8.5ft and 6.21ft respectively, and the vertical angle is read as -8degress 42'. what is the horizontal distance.
A column of dimensions 200 X 300 mm has an effective length of 3m. It is reinforced with 6 HYSD bars of 20mm diameter. Determine the safe load the column can carry using working method of design. Using M20 Concrete.
A customer randomly select 2 of 10 books to purchase. How many combinations of 2 books can be selected
Design a circular radial-flow clarifier for a town with a projected population of 45,000. Assume that the wastewater flow is 400 L/capita-day. Size the system for a 2-hr detention time at average flow.
A transit was set at point M and a leveling rod was held vertically at point N. The horizontal cross line of the telescope was inclined so the reading of the horizontal cross line on the rod was 12 ft.
The temperature in the stack is 300 F and the pressure is 725 mm Hg. If the total flow rate of gas out of the stack is 190 standard cubic meters per second, calculate the total mass emissions of particulates out of the stack in kg/day.
A 33-year record of peak annual flow rates was subjected to a frequency analysis. THe median value is defined as the midvalue (50% value) in the table of rank-ordered magnitudes.
Calculate the area of the reinforcement required( As) in a singly reinforced rectangular beam required to carry an ultimate factored bending moment ( Mu = 140 Kip-ft). Use( f'c=3,000 psi) and( fy=40,000 psi).
The evaporation rate from the surface of a 3,650-acre lake is 100 acre-ft/day. Estimate the depth change in the lake in feet during a 1-year period if the net inflow to the lake is 25 cfs. Is the depth increasing or decreasing? What is the change in ..
Consider a simply supported beam with a uniformly distributed load q AND a concentrated load P at midspan. Solve for dv/dx and v using differential equations.
A pipe is to be installed under the ground on a bed of aggregate 6 in. thick. The entire weight on the aggregate from pipe and soil above the pipe is 1800 lbs. per linear foot of pipe. What is the pressure on the soil if theta is 45 degrees
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