Pressure differential maintained across a continuous rotary vacuum filter is in the range of _______________ mm Hg column?
Correct answer: A. 250 to 500
- A. 250 to 500
- B. 100 to 150
- C. 50 to 100
- D. 600 to 700
Explanation
Rotary vacuum filters normally operate with a vacuum corresponding to roughly 250 to 500 mm Hg differential pressure. The lower ranges provide inadequate driving force, while 600 to 700 mm Hg is generally beyond normal operation.
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