Which of the following is a batch furnace ?
Correct answer: D. Cupola
- A. None of these
- B. Reheating furnace
- C. Glass tank furnace
- D. Cupola
Explanation
A cupola is charged intermittently with alternate layers of coke, metal and flux, so it is commonly classified as a batch furnace even though melting proceeds continuously during a campaign. A glass tank furnace is continuous, and a reheating furnace is generally operated continuously.
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