Q
Prime coking coal is always blended with medium or non- coking coal before carbonisation__________________?
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A
A. To check against its excessive swelling during heating, which may exert high pressure and
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B
DamAge coke oven walls
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C
B. Because, it alone produces unreactive coke
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D
C. Both a. and b.
Correct Answer:
C. B. Because, it alone produces unreactive coke
