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 not a recuperative furnace? Reheating furnace Coke oven Soaking pit Steamboiler Reheating furnace Coke oven Soaking pit Steamboiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Initial temperature of the charged stock Flue gas temperature Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Flue gas temperature Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Recuperator is Not used for fuel gas preheating A continuous waste heat recovery equipment Heavier than regenerator meant for the same duty An intermittant waste heat recovery equipment Not used for fuel gas preheating A continuous waste heat recovery equipment Heavier than regenerator meant for the same duty An intermittant waste heat recovery equipment ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Open hearth furnace Both A & B Coke ovens Neither A nor B Open hearth furnace Both A & B Coke ovens Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Causing metal embrittlement Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Causing metal embrittlement Accelerating the rate of scaling ANSWER DOWNLOAD EXAMIANS APP