Hole diameter of the sieve trays in the distillation column ranges from ______________ mm?
Correct answer: C. 3 to 12.5
- A. 1 to3
- B. 4 to 8
- C. 3 to 12.5
- D. 12.5 to 18.5
Explanation
Sieve-tray perforations commonly fall in the range of about 3 to 12.5 mm. Very small holes can plug easily, while excessively large holes encourage liquid weeping and poor tray operation.
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