ISRO Mechanical & Aerospace 2012 - Question 39

All ISRO Mechanical & Aerospace papers | ISRO Mechanical & Aerospace 2012

Hot working operation is carried out at

  • A. Re-crystallization temperature
  • B. Near plastic stage temperature
  • C. Below re-crystallization
  • D. Above re-crystallization

Answer: D. Above re-crystallization

Explanation: Hot working is deformation above the recrystallization temperature.

| | All questions of ISRO Mechanical & Aerospace 2012