MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the value of the grit number of the abrasives used in ECG? |
| A. | 1 – 20 |
| B. | 20 – 60 |
| C. | 60 – 320 |
| D. | 350 – 640 |
| Answer» D. 350 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 640 | |