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| Q. |
Which of the following are commonly used abrasive materials in finishing process of MAF? |
| A. | silicon carbide |
| B. | aluminium oxide |
| C. | cubic boron nitride |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: all the materials mentioned above, are used as abrasives in magnetic abrasive finishing process. | |
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