The main charge in blast furnace is usually___________________?
Correct answer: C. Limestone, coke & iron ore
- A. Iron ore & coke
- B. Iron ore, coke & air
- C. Limestone, coke & iron ore
- D. Limestone, sand & iron ore
Explanation
The solid charge normally consists of iron ore, coke and limestone. Air is blown into the furnace as the blast, so it is not usually counted as part of the charge.
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