Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100% CO 95% N₂ + 5% H₂ 100 %H₂ 5% H₂ + 9% N₂ 100% CO 95% N₂ + 5% H₂ 100 %H₂ 5% H₂ + 9% N₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. 50 250 100 150 50 250 100 150 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Muffle furnace Tunnel kiln Shaft furnace Rotary hearth furnace Muffle furnace Tunnel kiln Shaft furnace Rotary hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Drying of coal Preheating the primary air Combustion of coal by supplying it around the burner Transportation of coal Drying of coal Preheating the primary air Combustion of coal by supplying it around the burner Transportation of coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Burner design (thoroughness of mixing versus stratification) Air supplied and furnace temperature All of these Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Burner design (thoroughness of mixing versus stratification) Air supplied and furnace temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Reheating of slabs Roasting of pyrites Melting of glass Drying/tempering of refractories Reheating of slabs Roasting of pyrites Melting of glass Drying/tempering of refractories ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS