The minimum liquid rate to be used in an absorber corresponds to an operating line_______________________?
Correct answer: D. Tangential to the equilibrium curve
- A. Of slope = 1
- B. Of slope = 0.1
- C. None of these
- D. Tangential to the equilibrium curve
Explanation
At the minimum liquid rate, the operating line just touches the equilibrium curve, creating a pinch point and requiring an infinitely large contact area for the specified separation. This is why the line is tangent to the equilibrium curve.
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