When the liquid over a plate is of uniform concentration, then ______________________?
Correct answer: C. Murphree efficiency = point efficiency
- A. Murphree efficiency > point efficiency
- B. Murphree efficiency < point efficiency
- C. Murphree efficiency = point efficiency
- D. Murphree efficiency ≠ point efficiency
Explanation
Murphree efficiency is an average efficiency over the tray, whereas point efficiency is local. If the liquid concentration is uniform across the plate, the local and average efficiencies coincide.
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