
\begin{tabular}{|c|c|}
\hline Q. 124 & \begin{tabular}{l}
Stress versus elongation profiles for different polymeric materials are shown in the \\
figure. Choose the combination that best describes these profiles.
\end{tabular} \\
\hline & Elongation $\rightarrow$ \\
\hline
- & 1-Nylon fibers; 2-Polyethylene; 3-Vulcanized rubber; 4-Polystyrene \\
\hline - & 1-Polyethylene; 2-Vulcanized rubber; 3-Polystyrene; 4-Nylon fibers \\
\hline - & 1-Polystyrene; 2-Nylon fibers; 3-Polyethylene; 4-Vulcanized rubber \\
\hline - & 1-Vulcanized rubber; 2-Polyethylene; 3-Nylon fibers; 4-Polystyrene \\
\hline
\end{tabular}