Which of the following same diameter columns gives lowest pressure drop per unit height ?
Correct answer: C. Packed column (stacked)
- A. Bubble-cap column
- B. Sieve-plate column
- C. Packed column (stacked)
- D. Randomly packed column
Explanation
Stacked or structured packing offers a relatively open, orderly flow path, so it produces less friction and pressure drop per unit height than trays or randomly dumped packing.
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