Problem solving -Chapter 3 1) The following engineering stress-strain data were obtained for a metal. i. Plot the engineering stress-strain curve ii. Determine the ultimate tensile strength of the alloy. iii. Determine the percent elongation at fracture. iv. Estimate the yield strength Engineering Stress Engineering Strain (MPa) 0 (mm/mm) 0 30 0.001 55 0.002 60 0.005 68 0.01 72 0.02 74 0.04 75 0.06 76 0.08 75 0.10 73 0.12 69 0.14 65 0.16 56 0.18 51 0.19 (Fracture)