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Q1: A 120 mm long and 15 mm diameter cylindrical rod is subjected to a tensile load of 46 kN. It must not experience either plastic deformation. Which of the listed materials is suitable for such a requirement and why? Al (E= 70 GPa, YS = 250 MPa, ν = 0.33), Steel (E= 205 GPa, YS = 550MPa, ν = 0.27), Mg (E= 45 GPa, YS = 170 MPa, ν = 0.35).
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