Which of the following is used to prepare the inner lining of a blast furnace?
Show Hint
- Graphite bricks
- Silica bricks
- Fire clay bricks
- Basic bricks
The Correct Option is C
Solution and Explanation
The inner lining of a blast furnace needs to withstand very high temperatures and also resist chemical reactions with the molten metal. Fire clay bricks are made from a mixture of alumina and silica, which can withstand high temperatures. Therefore, fire clay bricks are used for the inner lining of blast furnaces.
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