A question in GATE 2012 Metallurgical Engineering Paper with Solution has been updated:
Statement for Linked Answer Questions 54 and 55:
The strain hardening behaviour of an annealed rod during cold rolling is given by
MPa, where
is the flow stress at strain
.
F low stress after 50% reduction in area of the annealed rod on cold rolling is approximately
- 609 MPa
- 750 MPa
- 559 MPa
- 650 MPa
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