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| Q. |
Polishing in Magnetic abrasive finishing is done, by which action of material removal? |
| A. | mechanical abrasion |
| B. | mechanical erosion |
| C. | chemical corrosion |
| D. | material vaporization |
| Answer» A. mechanical abrasion | |
| Explanation: abrasives are used for the polishing and finishing operations of the parts, in magnetic abrasive finishing. | |
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