Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Type of fuels viz solid, liquid or gaseous Emissivity of refractory walls Initial temperature of the charged stock Flue gas temperature Type of fuels viz solid, liquid or gaseous Emissivity of refractory walls Initial temperature of the charged stock Flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Oxygen enrichment of combustion air Inefficient use of fuel Efficient use of fuel Use of sub-stoichiometric air for combustion Oxygen enrichment of combustion air Inefficient use of fuel Efficient use of fuel Use of sub-stoichiometric air for combustion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Calcination of limestone to produce lime is done in a __________ kiln. Vertical shaft Rotary Tunnel Both B and C Vertical shaft Rotary Tunnel Both B and C ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 5% H₂ + 9% N₂ 100% CO 100 %H₂ 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100% CO 100 %H₂ 95% N₂ + 5% H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. Arc Low frequency induction Resistance None of these Arc Low frequency induction Resistance None of these 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 Can not be predicted Radiation Convection Conduction Can not be predicted Radiation Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
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