Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement Accelerating the rate of scaling All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement Accelerating the rate of scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have High excess air None of these No O₂ in flue gas CO in flue gas High excess air None of these No O₂ in flue gas CO in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Steam generation in waste heat boilers Preheating of cold stock All of these Preheating of combustion air Steam generation in waste heat boilers Preheating of cold stock All of these Preheating of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the Nature of atmosphere Temperature All of these Time Nature of atmosphere Temperature All of these Time ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a natural draft furnace? Power plant boilers Sintering furnace Blast furnace stoves None of these Power plant boilers Sintering furnace Blast furnace stoves None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the Physical nature, ash content and fineness of the coal Amount of excess air supplied and load on the boiler Type of burner and combustion chamber All of these Physical nature, ash content and fineness of the coal Amount of excess air supplied and load on the boiler Type of burner and combustion chamber All of these ANSWER DOWNLOAD EXAMIANS APP
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