In case of evaporators, liquid entrainment results primarily due to_________________?
Correct answer: C. Foaming of the solution
- A. High vacuum in the evaporator
- B. High evaporation rate
- C. Foaming of the solution
- D. High heat transfer rate
Explanation
Foaming carries liquid droplets into the vapour outlet, producing entrainment in evaporators. High evaporation or heat-transfer rates can worsen the problem, but foaming is the primary cause.
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