Furnace Technology Forced recirculation of furnace gases is practised To ensure uniform temperature In furnaces, operating below 750°C All of these To increase heat transfer by convection To ensure uniform temperature In furnaces, operating below 750°C All of these To increase heat transfer by convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Reheating furnace Cupola Soaking pit Open hearth furnace Reheating furnace Cupola Soaking pit Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 4500 3000 6000 2000 4500 3000 6000 2000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heat recoverable from flue gases of furnaces depends on the Flue gas temperature drop through the furnace Quantity of flue gases All of these Thermal efficiency of furnace Flue gas temperature drop through the furnace Quantity of flue gases All of these Thermal efficiency of furnace ANSWER DOWNLOAD EXAMIANS APP
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 Flue gas temperature Initial temperature of the charged stock Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Flue gas temperature Initial temperature of the charged stock Emissivity of refractory walls ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Combustion of coal by supplying it around the burner Transportation of coal Preheating the primary air Drying of coal Combustion of coal by supplying it around the burner Transportation of coal Preheating the primary air Drying of coal ANSWER DOWNLOAD EXAMIANS APP
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