Furnace Technology Which of the following is not a directly fired furnace? Calcination kiln By-product coke oven Sintering furnace Open hearth furnace Calcination kiln By-product coke oven Sintering furnace Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have 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 Less of excess air More of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace None of these Is indicated by flame sting out Increases the flue gas temperature Reduces its thermal efficiency None of these Is indicated by flame sting out Increases the flue gas temperature Reduces its thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Means for giving direction to the circulation of gases in furnaces are All of these Arrangement of heating stock in the furnaces Fans Location of outlet ports and heating & combustion devices All of these Arrangement of heating stock in the furnaces Fans Location of outlet ports and heating & combustion devices ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent. < 8 < 2 < 5 < 10 < 8 < 2 < 5 < 10 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of 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 Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Causing metal embrittlement ANSWER DOWNLOAD EXAMIANS APP
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