7091Chemical EngineeringMedium
Prime coking coal is always blended with medium or non- coking coal before carbonisation________?
ANeither A. nor B.
BTo check against its excessive swelling during heating, which may exert high pressure and
CBecause, it alone produces unreactive coke
DBoth A. and B.
Correct answer
D. Both A. and B.
Explanation
The correct answer is Both A. and B..