Q. Chisels used for metal cutting are (Solved)
1. Hardened
2. Annealed
3. Hardened and tempered
4. Annealed, hardened and tempered
5. None of the above
- d. Annealed, hardened and tempered
1. Hardened
2. Annealed
3. Hardened and tempered
4. Annealed, hardened and tempered
5. None of the above