MCQOPTIONS
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| 1. |
Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm.%! |
| A. | 0.1 to 2 |
| B. | 5 to 7 |
| C. | 3 to 8 |
| D. | 8 to 15 |
| Answer» B. 5 to 7 | |