McqMate
| Q. |
For machining of plastic material which of the unconventional process can be used effectively? |
| A. | electro chemical machining |
| B. | electron beam machining |
| C. | ultrasonic machining |
| D. | none of the mentioned |
| Answer» C. ultrasonic machining | |
| Explanation: ultrasonic machining is more versatile and can be used for the metal as well as non metal. | |
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