Q. Hardness of diamond can be determined by (Solved)
1. Brinell hardness tester
2. Rockwell hardness tester
3. Vickers hardness tester
4. None of the above
5. Parting off
- d. None of the above
1. Brinell hardness tester
2. Rockwell hardness tester
3. Vickers hardness tester
4. None of the above
5. Parting off