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

MCQOPTIONS

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

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