Overall efficiency of the distillation column is _____________________?
Correct answer: A. The ratio of number of ideal plates to actual plates
- A. The ratio of number of ideal plates to actual plates
- B. The ratio of number of actual plates to ideal plates
- C. Same as the Murphree efficiency
- D. Always more than the point efficiency
Explanation
Overall efficiency compares the number of ideal stages required with the actual stages installed, so it is ideal plates divided by actual plates. The actual number is larger because real trays do not achieve equilibrium completely.
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