Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of CO in flue gas Less of excess air More of excess air More of CO₂ in flue gas More of CO in flue gas Less of excess air More of excess air More of CO₂ in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Oxidation/scaling Either of the above Sulphur penetration Decarburising Oxidation/scaling Either of the above Sulphur penetration Decarburising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Shaft furnace Muffle furnace Rotary hearth furnace Tunnel kiln Shaft furnace Muffle furnace Rotary hearth furnace Tunnel kiln ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of shaft furnace is the Soaking pit Blast furnace Glass melting tank L.D. converter Soaking pit Blast furnace Glass melting tank L.D. converter ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 50 65 99 85 50 65 99 85 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Preheating the primary air Combustion of coal by supplying it around the burner Drying of coal Transportation of coal Preheating the primary air Combustion of coal by supplying it around the burner Drying of coal Transportation of coal ANSWER DOWNLOAD EXAMIANS APP
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