engineering recuitment GATE ME 2023-24 Test Series Production Engineering (Manufacturing) Metal Forming Drawing
Maximum % reduction in area during wire drawing of a material made of strain hardenable material having strain hardening exponent n and strength coefficient K is:
1
\(1 - \frac{1}{{{e^n}}}\)
2
0.632
3
\(1 - \frac{1}{{{e^{ - \left( {n + 1} \right)}}}}\)
4
\(1 - \frac{1}{{{e^{\left( {n + 1} \right)}}}}\)