Question #84487

Prime coking coal is always blended with medium or non- coking coal before carbonisation__________________?

A) To check against its excessive swelling during heating, which may exert high pressure and

B) damage coke oven walls

C) Because, it alone produces unreactive coke

D) Both A. and B.

E) Neither A. nor B.

Answer: Prime coking coal is always blended with medium or non- coking coal before carbonisation Both A. and B..

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