GATE XE 2023 | Question: 40

Question

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Q. 50 & The tensile true stress $(\sigma)-$ true strain $(\epsilon)$ curve follows the Hollomon equation: \\
$\qquad \sigma=500 \epsilon^{0.15} \mathrm{MPa}$ \\
At the maximum load, the work-hardening rate $\left(\frac{d \sigma}{d \epsilon}\right)$ is (in $\left.\mathrm{MPa}\right):$ \\
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