Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 10 25 90 65 10 25 90 65 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Increasing the draft in the furnace Oxygen enrichment of combustion air Preheating the combustion air Preheating the fuel gas Increasing the draft in the furnace Oxygen enrichment of combustion air Preheating the combustion air Preheating the fuel gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The reason for excessive clinker formation in gas producers is the Development of hot spots in the fuel bed and an abnormally high rate of gasification Use of coal/coke containing a high % of fines and ash All of these Use of fuel having too low an ash fusion temperature Development of hot spots in the fuel bed and an abnormally high rate of gasification Use of coal/coke containing a high % of fines and ash All of these Use of fuel having too low an ash fusion temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not a hearth furnace? Glass tank furnace Open hearth furnace Reheating furnace Cupola Glass tank furnace Open hearth furnace Reheating furnace Cupola ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Oxygen in the flue gas Heat transfer rate in the furnace Stack loss Flame temperature Oxygen in the flue gas Heat transfer rate in the furnace Stack loss Flame temperature ANSWER DOWNLOAD EXAMIANS APP
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