MCQOPTIONS
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MCQOPTIONS
| 1. |
The taper obtained in Laser drilling process is how much of the hole diameter?$ |
| A. | 1 – 5% |
| B. | 5 – 20% |
| C. | 20 – 50% |
| D. | 50 – 90% |
| Answer» C. 20 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 50% | |