Furnace Technology In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant All of these Rate of firing and emissivity of flame Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant All of these Rate of firing and emissivity of flame ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Sulphur penetration Either of the above Decarburising Oxidation/scaling Sulphur penetration Either of the above Decarburising Oxidation/scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous Emissivity of refractory walls Flue gas temperature Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous Emissivity of refractory walls Flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In producer gas making furnace, steam is added along with air to mainly control the V. of producer gas Temperature of producer gas Tar content in producer gas Fusion of coal ash & clinker formation V. of producer gas Temperature of producer gas Tar content in producer gas Fusion of coal ash & clinker formation ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Occupy more space Are less costly Have higher pressure differential between flue gas & air side Are lighter Occupy more space Are less costly Have higher pressure differential between flue gas & air side Are lighter ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ is an indirectly heated furnace. Soaking pit Open hearth furnace Reheating furnace Muffle furnace Soaking pit Open hearth furnace Reheating furnace Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
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