Problem $2$

A cylindrical rod $380$ mm long, having a diameter of $10\mathrm{.}0$ mm $,$ is to be subjected to a tensile load. If the rod is to experience neither plastic deformation nor an elongation of more than $1\mathrm{.}2$ mm when the applied load is $\backslash (24,500\backslash$mathrm$\{$~N$\}\backslash ),$ which of the four metals or alloys listed below are possible candidates? Justify your choice$($s$).$