*/*_Primary air is the air used to? – McqOptions

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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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