Furnace Technology The heat recoverable from flue gases of furnaces depends on the Thermal efficiency of furnace Quantity of flue gases All of these Flue gas temperature drop through the furnace Thermal efficiency of furnace Quantity of flue gases All of these Flue gas temperature drop through the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The reason for excessive clinker formation in gas producers is the Use of coal/coke containing a high % of fines and ash Development of hot spots in the fuel bed and an abnormally high rate of gasification All of these Use of fuel having too low an ash fusion temperature Use of coal/coke containing a high % of fines and ash Development of hot spots in the fuel bed and an abnormally high rate of gasification All of these Use of fuel having too low an ash fusion temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 20 5 50 80 20 5 50 80 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of continuous reheating furnace depends upon the Emissivity of the stock All of these Hearth area and furnace temperature Ratio of wall surface to stock surface Emissivity of the stock All of these Hearth area and furnace temperature Ratio of wall surface to stock surface ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by Conduction None of these Radiation of heat from the roof of the combustion chamber Natural convection Conduction None of these Radiation of heat from the roof of the combustion chamber Natural convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, None of these The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced Positive pressure exists in the furnace None of these The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced Positive pressure exists in the furnace ANSWER DOWNLOAD EXAMIANS APP
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