Furnace Technology Rate of heat release in a furnace, which is the measure of heat intensity is defined as Kcal/hr/m³ combustion space Kcal/m³ combustion space Kcal/hr None of these Kcal/hr/m³ combustion space Kcal/m³ combustion space Kcal/hr None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Diffusion Rotary Outside mixing type Premix Diffusion Rotary Outside mixing type Premix ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation 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 Emissivity of refractory walls Flue gas temperature Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Emissivity of refractory walls Flue gas temperature Type of fuels viz solid, liquid or gaseous ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 44119 25-30 65-70 45-50 44119 25-30 65-70 45-50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Conduction Convection Radiation Can not be predicted Conduction Convection Radiation Can not be predicted ANSWER DOWNLOAD EXAMIANS APP
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