The figure illustrates a number of beam sections. Use an

Chapter 3, Problem 3.39

(choose chapter or problem)

The figure illustrates a number of beam sections. Use an allowable bending stress of 12 kpsi for steel and find the maximum safe uniformly distributed load that each beam can carry if the given lengths are between simple supports. (a) Standard 2-in 3 1 4-in tube, 48 in long (b) Hollow steel tube 3 by 2 in, outside dimensions, formed from 3 16-in material and welded, 60 in long (c) Steel angles 21 2 3 21 2 3 1 4 in and 60 in long (d) A 6.0 lbf/ft, 3-in steel channel, 60 in long

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