Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 1000 650 850 250 1000 650 850 250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? Blast furnace stoves Beehive coke oven High pressure boiler Coke oven Blast furnace stoves Beehive coke oven High pressure boiler Coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reducing atmosphere is maintained in a Soaking pit Calcination kiln L.D. converter Blast furnace Soaking pit Calcination kiln L.D. converter Blast furnace 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 excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a directly fired intermittant furnace? Walking beam reheating furnace Tunnel kiln Reverberatory furnace Tower furnace Walking beam reheating furnace Tunnel kiln Reverberatory furnace Tower furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the Nature of process ; whether batch, continuous or intermittant All of these Rate of firing and emissivity of flame Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant All of these Rate of firing and emissivity of flame Thermal conductivity of the charge & structural materials of furnace ANSWER DOWNLOAD EXAMIANS APP
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