"Overfire burning" in a furnace is a phenomenon characterised by the – McqOptions

MCQOPTIONS

1.	"Overfire burning" in a furnace is a phenomenon characterised by the
A.	supply of excess fuel.
B.	supply of excess air.
C.	burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air.
D.	none of these.
Answer» D. none of these.

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