MCQOPTIONS
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| 1. |
What is the speed of an impact wheel? |
| A. | 1750 rpm |
| B. | 3500 rpm |
| C. | 1750 or 3500 rpm |
| D. | Can’t be predicted |
| Answer» D. Can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be predicted | |