Highly caking coals_____________________?
Correct answer: C. Both B. and C.
- A. Produce weak coke
- B. Produce strong coke
- C. Both B. and C.
- D. May damage the coke oven walls during carbonisation
Explanation
Highly caking coal softens and swells strongly during carbonisation, which helps produce strong coke but can exert excessive pressure on coke-oven walls. Thus both effects listed in B and C are associated with it.
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