In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalent to a theoretical plate HTUOG = overall gas phase height of a transfer unit) ?
Correct answer: C. Both A. & B.
- A. Straight
- B. Parallel
- C. Both A. & B.
- D. Neither A. nor B.
Explanation
HETP becomes equal to HTUOG when the equilibrium and operating lines are straight and parallel, giving a constant driving force relationship from stage to stage. Thus both stated geometric conditions are required.
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