Form the structure stiffness matrix for the truss in Figure P15.4. Use the partitioned matrix to compute the displacement of all joints and reactions. Also compute the bar forces.
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Most pipe drawings give the _____ dimensions for a run of pipe.
a. center-to-center b. center-to-face c. face-to-face d. end-to-end
What does the designer or owner do when it is necessary to make changes in specifications, drawings, or bidding documents?
What will be an ideal response?
Joyce and Vincent, both engineers, got married and raised three children over an 18-year period and the first one is now ready for college. There have been good and bad years financially; Joyce quit work for some years to raise small children, Vincent lost his job in year 10 and had to start a new career. The two have summarized the basic information from their tax returns for the 18 years. They wonder what percentage of their gross income has gone to federal taxes over the years. Apply the tax rate in the latest IRS Publication 17 (www.irs.gov) for married, filing jointly to calculate their taxes each year using a spreadsheet and plot the percentage of GI.
Assume exemptions are deducted as follows for each person (adult or child): years 1 to 8, $3500; years 9 to 14, $4000; years 15 to 18, $4500. (All monetary amounts are in $1000 units.)
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What information would you expect to find in an engineering drawing?
A. Fabrication details for every structural member in a job B. Details of miscellaneous metal connectors required C. Locations of major structural components such as columns, beams, and girders D. Bills of material listing every item that will be used during fabrication of the products and erection of the final structure