Evaporator used for concentrating tomato juice is made of __________________?
Correct answer: A. Stainless steel-glass lined
- A. Stainless steel-glass lined
- B. Brass
- C. Nickel
- D. Cast iron-rubber lined
Explanation
Tomato juice is acidic and can attack ordinary metals, while stainless steel provides hygienic corrosion resistance and glass lining gives additional protection. Hence the stainless-steel, glass-lined construction is the suitable choice.
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