Instructions 1.) Design a steel beam of an economical section in flexure. 2.) Use an allowable flexural stress of 130MPa

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Instructions
1.) Design a steel beam of an economical section in flexure.
2.) Use an allowable flexural stress of 130MPa.
3.) Specify the length of the beam and the live loads
applied.
4.) Specify the name of the table used to obtain the design
section.
5.) Compute the actual flexural stress using the actual
loads.