Furnace Technology The reason for excessive clinker formation in gas producers is the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 65-70 25-30 44119 45-50 65-70 25-30 44119 45-50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reducing atmosphere is maintained in a L.D. converter Calcination kiln Soaking pit Blast furnace L.D. converter Calcination kiln Soaking pit Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace aerodynamics is related to the __________ in the furnace. Measurement of flue gas volume Movement of gases Pressure adjustment Temperature control Measurement of flue gas volume Movement of gases Pressure adjustment Temperature control ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about __________ °C. 250 180 130 80 250 180 130 80 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation ANSWER DOWNLOAD EXAMIANS APP