Q. If a piece of steel is reheated to a temperature of 200?C to 250?C immediately after quenching, the process is known as (Solved)
1. Hardening
2. Cyniding
3. Normalizing
4. Tempering
5. Annealing
- d. Tempering
1. Hardening
2. Cyniding
3. Normalizing
4. Tempering
5. Annealing