For the same heat transfer area and the terminal conditions, the ratio of the capacities of a single effect evaporator to a triple effect evaporator is_________________?
Correct answer: C. 1
- A. 3
- B. 0.33
- C. 1
- D. 1.33
Explanation
With the same total heat-transfer area and terminal temperature conditions, the total temperature driving force is distributed among the effects, so the ideal capacity remains approximately unchanged. Hence, the single-effect to triple-effect capacity ratio is 1.
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