Q. Profile of a gear tooth is to be checked. Which one of the following device would you choose? (Solved)
1. Sine bear
2. Optical projector
3. Optical pyrometer
4. Bench micrometer
5. Telescopic gauge
- b. Optical projector
1. Sine bear
2. Optical projector
3. Optical pyrometer
4. Bench micrometer
5. Telescopic gauge