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| Q. |
Which of the following factors affect the surface finish of machined parts in Ultrasonic Machining? |
| A. | amplitude |
| B. | material |
| C. | tool surface |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: the above factors influence the surface quality of the machined parts in ultrasonic machining very significantly. | |
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