Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if __________________?

A. Smaller fines are stored in large quantity

B. It is stored in tall heaps

C. It contains large amount of volatile matter

D. All A., B. and C.
Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.