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| Q. |
Which one of the following factors affects the accuracy of parts? |
| A. | steady abrasive flow |
| B. | accurate feed |
| C. | unsteady abrasive flow |
| D. | ultrasonic frequency |
| Answer» C. unsteady abrasive flow | |
| Explanation: unsteady and uneven abrasive flow affects the dimensional accuracy. | |
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