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 Rate of firing and emissivity of flame Nature of process ; whether batch, continuous or intermittant Thermal conductivity of the charge & structural materials of furnace All of these Rate of firing and emissivity of flame Nature of process ; whether batch, continuous or intermittant Thermal conductivity of the charge & structural materials of furnace All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 60 80 20 40 60 80 20 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are normally provided in the By product coke ovens All of these Glass melting furnace Open hearth furnace By product coke ovens All of these Glass melting furnace Open hearth 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 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 Use of excessive positive draft in the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overfire burning in a furnace is a phenomenon characterised by Supply of excess air Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess fuel None of these Supply of excess air Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess fuel None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a periodic furnace? Reheating furnace Soaking pit Rotary kiln Tunnel kiln Reheating furnace Soaking pit Rotary kiln Tunnel kiln ANSWER DOWNLOAD EXAMIANS APP