The controlling resistance in a rotary drum vacuum filter is the ________________ resistance?
Correct answer: D. Cake
- A. Piping
- B. None of these
- C. Filter medium
- D. Cake
Explanation
In a rotary drum vacuum filter, the deposited cake usually provides the dominant resistance to filtrate flow as it builds up. Filter-medium resistance is important initially, but is commonly smaller than cake resistance during operation.
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