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Question 1: Determine the reaction forces Question 2: Draw and label the Shear Diagram, V Question 3: Draw and label the Moment Diagram, M Question 4: Design the most economical beam W-shaped beam assuming a oall A36 steel of 160 MPa Question 5: Re-design (if necessary) the most economical beam assuming a tall A36 steel of 80 MPa as an additional criteria Question 6: Compute the principal stresses, amax,min, and the maximum shear stress, Tmax, at the junction at a section passing through point C Question 7: Are there other sections along the beam's length where amax and tmax are larger in magnitude? Explain & Evaluate. Question 8: Comment on the beam selection earlier having computed amax,min and tmax Question 9: On the same graph, plot the thickness of the beam at section passing through point C versus the a) normal stress b) shear stress c) principal stresses and d) maximum shear stress Question 10: Assuming the beam is made of cast iron, which is a brittle material, how would the design selection be different? Question 11: Knowing that the cross-sectional area of the beam is to be kept the same, comment on whether a better performance can be obtained using: a) T-shaped beam b) U-shaped beam c) hollow square beam 80 kN 50 kN/m A E B C D 0.5 III 2.4 m 0.8 m 2 m

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