6. “OverfIre burning” in a furnace is a phenomenon characterised by the
o supply of excess air
o burning of carbon monoxide and other inconibustibles iii tapper zone of furnace by supplying more air
o supply of excess fuel
o none of these
Ans: B
o supply of excess air
o burning of carbon monoxide and other inconibustibles iii tapper zone of furnace by supplying more air
o supply of excess fuel
o none of these
Ans: B
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