Tube height in a calandria type evaporator is normally less than _______________ metres?
Correct answer: B. 2
- A. 1
- B. 2
- C. 3.5
- D. 5.5
Explanation
Calandria evaporators use relatively short vertical heating tubes, normally below about 2 m, to limit liquid head and circulation problems. Longer tubes are associated with other evaporator arrangements or special designs.
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