Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of __________________?
Correct answer: B. Copper
- A. Nickel
- B. Copper
- C. Stainless steel
- D. Brass
Explanation
Copper tubes were traditionally used in multiple-effect evaporators for sugar-cane juice because copper has good thermal conductivity and was suitable for this service. Stainless steel is used in many modern hygienic installations, but the conventional material in this question is copper.
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