Reducing atmosphere is maintained in a__________________?
Correct answer: C. Blast furnace
- A. Calcination kiln
- B. Soaking pit
- C. Blast furnace
- D. L.D. converter
Explanation
A blast furnace contains carbon monoxide and hydrogen-rich gases produced from coke and injected fuel, which reduce iron oxides as the burden descends. Calcination kilns are generally operated to decompose carbonates, while soaking pits and L.D. converters are not primarily reducing units.
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