In a distillation column, bubble caps are located on trays with a pitch of ______________ times the outside diameter of the caps?
Correct answer: A. 1.3 to 2
- A. 1.3 to 2
- B. 1.6 to 2
- C. 2.5
- D. 1.5 to 3
Explanation
Bubble-cap tray spacing is selected to leave adequate room for vapor flow and liquid movement while maintaining effective contact; a typical cap pitch is about 1.3 to 2 times the cap outside diameter. Excessive pitch reduces active contacting area.
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