Furnace Technology Which is not accomplished in an underfired furnace? Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Either of the above Sulphur penetration Decarburising Oxidation/scaling Either of the above Sulphur penetration Decarburising Oxidation/scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the 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 Initial temperature of the charged stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The function of an economiser in a boiler is to preheat the Furnace oil Feedwater Pulverised coal Combustion air Furnace oil Feedwater Pulverised coal Combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Neutral atmosphere is maintained in a/an __________ furnace. Cold rolled steel coil annealing Walking beam reheating Open hearth Soaking pit Cold rolled steel coil annealing Walking beam reheating Open hearth Soaking pit ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 65 85 99 50 65 85 99 50 ANSWER DOWNLOAD EXAMIANS APP
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