Furnace Technology Advantages of use of preheated combustion air are All of these Saving in fuel consumption Increase in flame temperature Reduction in scale losses All of these Saving in fuel consumption Increase in flame temperature Reduction in scale losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 650 250 850 1000 650 250 850 1000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Transportation of coal Drying of coal Combustion of coal by supplying it around the burner Preheating the primary air Transportation of coal Drying of coal Combustion of coal by supplying it around the burner Preheating the primary air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In low or standard frequency induction furnace, heat is produced by the Induction and resistance None of these Combination of induced current and skin effect Current flow through a heating element Induction and resistance None of these Combination of induced current and skin effect Current flow through a heating element ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heat recoverable from flue gases of furnaces depends on the Flue gas temperature drop through the furnace Quantity of flue gases Thermal efficiency of furnace All of these Flue gas temperature drop through the furnace Quantity of flue gases Thermal efficiency of furnace All 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 Rate of firing and emissivity of flame All of these Nature of process ; whether batch, continuous or intermittant Thermal conductivity of the charge & structural materials of furnace Rate of firing and emissivity of flame All of these Nature of process ; whether batch, continuous or intermittant Thermal conductivity of the charge & structural materials of furnace ANSWER DOWNLOAD EXAMIANS APP
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