McqMate
| Q. |
Which type of laser can be used for direct drilling or percussion? |
| A. | ruby laser |
| B. | nd-yag laser |
| C. | ruby & nd-yag laser |
| D. | none of the mentioned |
| Answer» C. ruby & nd-yag laser | |
| Explanation: both ruby and nd-yag laser can be used for direct (percussion) drilling purpose. | |
View all MCQs in
Unconventional Machine Process (UMP)No comments yet