'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.	burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air
B.	supply of excess fuel
C.	supply of excess air
D.	none of the mentioned
Answer» B. supply of excess fuel

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