Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Causing metal embrittlement All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling Causing metal embrittlement All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a directly fired furnace? Sintering furnace Open hearth furnace By-product coke oven Calcination kiln Sintering furnace Open hearth furnace By-product coke oven Calcination kiln ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Higher power consumption in its transportation Ash disposal problem Excessive fly ash discharge from the stack Erosion of induced draft fan blades Higher power consumption in its transportation Ash disposal problem Excessive fly ash discharge from the stack Erosion of induced draft fan blades ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Dampers are located Anywhere after the I.D. fan Near the top of the chimney Before the I.D fan After the I.D. fan Anywhere after the I.D. fan Near the top of the chimney Before the I.D fan After the I.D. fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Use of waste heat recovery equipments Thickness of the stock Emissivity of the refactory walls Size of the furance Use of waste heat recovery equipments Thickness of the stock Emissivity of the refactory walls Size of the furance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a recuperative furnace? Soaking pit Steamboiler Reheating furnace Coke oven Soaking pit Steamboiler Reheating furnace Coke oven ANSWER DOWNLOAD EXAMIANS APP
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