Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by Preheating the combustion air All of these Oxygen enrichment of combustion air Preheating the fuel gas Preheating the combustion air All of these Oxygen enrichment of combustion air Preheating the fuel gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Either of the above Sulphur penetration Decarburising Oxidation/scaling Either of the above Sulphur penetration Decarburising Oxidation/scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In low or standard frequency induction furnace, heat is produced by the Combination of induced current and skin effect Induction and resistance Current flow through a heating element None of these Combination of induced current and skin effect Induction and resistance Current flow through a heating element None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the Nature of process ; whether batch, continuous or intermittant All of these Rate of firing and emissivity of flame Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant All of these Rate of firing and emissivity of flame Thermal conductivity of the charge & structural materials of furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Shaft furnaces are used for Calcining Smelting All of these Roasting Calcining Smelting All of these Roasting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? Blast furnace stoves Coke oven High pressure boiler Beehive coke oven Blast furnace stoves Coke oven High pressure boiler Beehive coke oven ANSWER DOWNLOAD EXAMIANS APP
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