Primary air is the air used to%! – McqOptions

MCQOPTIONS

1.	Primary air is the air used to%!
A.	Provide air around burners for obtaining optimum combustion
B.	Transport and dry the coal
C.	Convert CO (formed in lower zone of furnace) into CO‚Äö√á√á at higher zone
D.	Air delivered by forced draft fan
Answer» C. Convert CO (formed in lower zone of furnace) into CO‚Äö√á√á at higher zone

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