Primary air is the air used to__________________?
A. transport and dry the coal

B. convert CO (formed in lower zone of furnace) into C02 at higher zone

C. provide air around burners for obtaining optimum combustion

D. none ot the above

E. air-delivered by forced draft fan

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.