Out of the following, which is the most important parameter for the blast furnace grade coke ?
Correct answer: D. CSR & CRI
- A. Volatile matter content
- B. Ash content
- C. Moisture content
- D. CSR & CRI
Explanation
CSR measures coke strength after reaction, while CRI measures its reactivity with carbon dioxide; together they indicate whether coke can support the burden and maintain permeability in a blast furnace. Ash, moisture, and volatile matter are important quality factors but are not the principal combined performance parameter.
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