Furnace Technology In producer gas making furnace, steam is added along with air to mainly control the 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 V. of producer gas Temperature of producer gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Shaft furnaces are used for All of these Smelting Roasting Calcining All of these Smelting Roasting Calcining ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The reason for excessive clinker formation in gas producers is the Use of fuel having too low an ash fusion temperature All of these Use of coal/coke containing a high % of fines and ash Development of hot spots in the fuel bed and an abnormally high rate of gasification Use of fuel having too low an ash fusion temperature All of these Use of coal/coke containing a high % of fines and ash Development of hot spots in the fuel bed and an abnormally high rate of gasification 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 Flue gas temperature Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Flue gas temperature Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Zircon powder Thoria Graphite powder Beryllium Zircon powder Thoria Graphite powder Beryllium ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Ceramic recuperator None of these Metallic recuperator Regenerator Ceramic recuperator None of these Metallic recuperator Regenerator ANSWER DOWNLOAD EXAMIANS APP
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