Experimental determination of _______________ is done by wetted wall column method?
Correct answer: B. Mass transfer co-efficient
- A. Diffusion co-efficient
- B. Mass transfer co-efficient
- C. NTU
- D. None of these
Explanation
A wetted wall column provides a controlled contact area and is commonly used to determine gas-side or liquid-side mass-transfer coefficients experimentally. Diffusivity is a molecular property and is not measured directly by this apparatus.
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