Engine : General Subjects - 1890/1128
|
|---|
| « Previous Question |
| Reheating a hardened component to a temperature lower than the hardening temperature and then cooling it is known as __________. |
| A) case hardening |
| B) low temperature hardening |
| C) annealing |
| D) tempering |
loading answer...
| Comments |
|---|
| There are no comments for this question. |