Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the 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 Flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overfire burning in a furnace is a phenomenon characterised by Supply of excess fuel Supply of excess air Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air None of these Supply of excess fuel Supply of excess air Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? Beehive coke oven Blast furnace stoves Coke oven High pressure boiler Beehive coke oven Blast furnace stoves Coke oven High pressure boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace? Waste heat boiler Regenerator Ceramic recuperator Economiser Waste heat boiler Regenerator Ceramic recuperator Economiser ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of All of these Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement All of these Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have Less of excess air More of excess air More of CO in flue gas More of CO₂ in flue gas Less of excess air More of excess air More of CO in flue gas More of CO₂ in flue gas ANSWER DOWNLOAD EXAMIANS APP