Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in calorific value of the fuel Saving in fuel consumption Increase in flame temperature Reduction in scale losses Increase in calorific value of the fuel Saving in fuel consumption Increase in flame temperature Reduction in scale losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 5% H₂ + 9% N₂ 100 %H₂ 100% CO 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100 %H₂ 100% CO 95% N₂ + 5% H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Reducing atmosphere Furnace employing negative pressure Furnace employing neutral atmosphere Carbon resistance furnace Reducing atmosphere Furnace employing negative pressure Furnace employing neutral atmosphere Carbon resistance furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reducing atmosphere is maintained in a L.D. converter Calcination kiln Blast furnace Soaking pit L.D. converter Calcination kiln Blast furnace Soaking pit ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel used in B.F. stove is Coke oven gas Blast furnace gas/mixed gas Furnace oil Pulverised coal Coke oven gas Blast furnace gas/mixed gas Furnace oil Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the 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 Initial temperature of the charged stock Emissivity of refractory walls ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS