Which of the following quantities need not be fixed before starting the design of a cocurrent absorber ?
Correct answer: B. Flow rate of entering liquid
- A. Heat gain or loss
- B. Flow rate of entering liquid
- C. Flow rate of gas
- D. None of these
Explanation
The entering gas rate and heat effects are normally specified as design conditions, whereas the liquid rate can be selected from the operating line and required absorption performance. It therefore need not be fixed before beginning the absorber design.
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