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A steel post is formed by welding two steel plates to a W360 x 64 wide flange section. The plates are 15 mm thick, and their widths match the depth of the wide-flange section. If the post is 6 m long and modeled as simply supported, determine
(a) the buckling load if A-A is the neutral plane of bending and
(b) the buckling load if B-B is the neutral plane of bending. (See Appendix E.)
The maximum population that can be served from the new development without exceeding the capacity of the trunk sewer. Diameter, slope, and invert elevations of sewer XB.
A cylinder with a 6 in diameter and 12 in length is put undera compressive load of 138.4 kips. The modulus of elasticity for thespecimen is 6500 ksi and Poissons ratio is 0.4. Calculate the final length and the final diameter of the specimen under th..
Draw a graph showing the effluent concentration as a function of time for : a. Zero order CMFR and PFR with the same influent concentration and reaction rate. b. First order CMFR and PFR with the same influent concentration and reaction rate.
A concrete culvert is required to convey a design flow of 654 cfs over a length of 330 ft, and a slope of .015ft/ft. Because there is a large lake downstream, the tailwater elevation is constant at 536.3 ft MSL
A body weighing 120 lb with a flat surface area of 2 ft^2 slides down a lubricated inclined plane making a 30 degree with the horizontal. For a viscosity of 0.002 lb*s/ft^2 and body speed of 3 ft/s, determine the lubricant film thickness.
For the piping system of Fig, all pipes are concrete with a roughness of 0.04 inch. Neglecting minor losses, compute the overall pressure drop p1 - p2 in lbf/in2. The flow rate is 20 ft3/s of water at 20°C.
how many students have heights, (a) Greater than 72 inches (b) Less than or equal to 64 inches (c) Between 65 and 71 inches inclusive (d) equal to 68 inches * Assume the measurements to be recorded to the nearest inch.
The design parameters are: • Q = 65 m3/d, • Wetland area (A) = 0.23 hectares (2,300 m2) (including the safety factor), • Aspect ratio = 8:1 • Average water depth (d) = 0.5 m • Bed slope = 1% (0.01 m/m) Given that the Manning's resistance factor
Uniform deposits were made on January 1 of 1991, 1992, 1993, and 1994 into a fund intended to provide $1000 on January 1 of 2005, 2006, and 2007. What were the size of these deposits
Water is pumped from a reservoir whose surface elevation is 1390 ft to a second reservoir whose surface elevation is 1475 ft. The connecting pipeline is 4500 ft long and 12 in. in diameter.
An elevator weigh 4000kg. When the upward tension in the supporting cable is 48000N what is the upward acceleration Starting from rest, how far does it rise in 3s
A gas stream with a particulate loading of 20.0g/m^3 is passed through a 70%-efficient cyclone followed by a 95%-efficient ESP. Calculate the overall efficiency of the system.
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