A good metallurgical coke___________________?
Correct answer: C. Should have high porosity
- A. Must contain moderate quantities of ash, moisture, sulphur and volatile matters
- B. Should be brittle
- C. Should have high porosity
- D. Should have low fusion point of its ash
Explanation
Metallurgical coke needs substantial porosity so that gases can pass through the furnace burden and reactions can occur effectively. It should also be strong and low in ash, moisture, sulphur, and volatile matter, so the statement specifying moderate impurities is unsuitable.
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