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 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of a periodic furnace is the Rotary kilns Blast furnace stoves Coke oven heating chamber Blast furnace Rotary kilns Blast furnace stoves Coke oven heating chamber Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Dampers are located After the I.D. fan Anywhere after the I.D. fan Before the I.D fan Near the top of the chimney After the I.D. fan Anywhere after the I.D. fan Before the I.D fan Near the top of the chimney ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs natural draft? L.D. converter Coke oven Boiler Rotary kilns L.D. converter Coke oven Boiler Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of pulverised solid fuels Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air Use of non-preheated combustion air Use of pulverised solid fuels Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air Use of non-preheated combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Furnace employing neutral atmosphere Reducing atmosphere Carbon resistance furnace Furnace employing negative pressure Furnace employing neutral atmosphere Reducing atmosphere Carbon resistance furnace Furnace employing negative pressure ANSWER DOWNLOAD EXAMIANS APP