Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of excess air More of CO₂ in flue gas More of CO in flue gas Less of excess air More of excess air More of CO₂ in flue gas More of CO in flue gas Less of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the Time All of these Temperature Nature of atmosphere Time All of these Temperature Nature of atmosphere ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Air pressure Speed of I.D. fan Damper Fuel gas pressure Air pressure Speed of I.D. fan Damper Fuel gas pressure ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Shaft furnaces are used for Smelting All of these Calcining Roasting Smelting All of these Calcining Roasting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Thickness of the stock Use of waste heat recovery equipments Emissivity of the refactory walls Size of the furance Thickness of the stock Use of waste heat recovery equipments Emissivity of the refactory walls Size of the furance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Preheating of cold stock All of these Steam generation in waste heat boilers Preheating of combustion air Preheating of cold stock All of these Steam generation in waste heat boilers Preheating of combustion air ANSWER DOWNLOAD EXAMIANS APP
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