In packed absorption tower, onset of flooding usually occurs at a pressure drop of about ______________ mm of water column per metre height of packing?
Correct answer: A. 50-75
- A. 50-75
- B. 25-50
- C. 200-250
- D. 750-1000
Explanation
Flooding in a packed tower is commonly associated with a sharp rise in pressure drop, typically about 50–75 mm water column per metre of packing. Lower values generally represent normal operation rather than flooding onset.
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