Over fire burning is the phenomenon of
A. Supply of excess, air
B. Supply of excess coal
C. Burning CO and unburnt in upper zone of furnace by supplying more air
D. Fuel bed firing
Answer:A
Over fire burning is the phenomenon of
A. Supply of excess, air B. Supply of excess coal C. Burning CO and unburnt in upper zone of furnace by supplying more air D. Fuel bed firing