Q. Cold work is done on metals: (Solved)
1. below thermal critical range
2. above thermal critical range
3. at temperatur e below zero degree centigrade
4. after slightly warming up the metal in furnace
- a. below thermal critical range
1. below thermal critical range
2. above thermal critical range
3. at temperatur e below zero degree centigrade
4. after slightly warming up the metal in furnace