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| Q. |
What are the spindle rotation speeds used in EDT? |
| A. | 1 to 4 rpm |
| B. | 10 to 40 rpm |
| C. | 20 to 60 rpm |
| D. | 30 to 90 rpm |
| Answer» B. 10 to 40 rpm | |
| Explanation: spindle rotation speeds for edt process range from 10 to 40 rpm. | |
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