Primary air is the air used to – McqOptions

MCQOPTIONS

1.	Primary air is the air used to
A.	rovide air around burners for obtaining optimum combustion
B.	ransport and dry the coal
C.	onvert CO (formed in lower zone of furnace) into CO₂ at higher zone
D.	ir delivered by forced draft fan
Answer» C. onvert CO (formed in lower zone of furnace) into CO₂ at higher zone

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