Furnace Technology The reason for excessive clinker formation in gas producers is the All of these Development of hot spots in the fuel bed and an abnormally high rate of gasification Use of fuel having too low an ash fusion temperature Use of coal/coke containing a high % of fines and ash All of these Development of hot spots in the fuel bed and an abnormally high rate of gasification Use of fuel having too low an ash fusion temperature Use of coal/coke containing a high % of fines and ash ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 80 60 40 20 80 60 40 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating Steam Blast furnace gas None of these Air Steam Blast furnace gas None of these Air 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 Thermal conductivity of the charge & structural materials of furnace Rate of firing and emissivity of flame Nature of process ; whether batch, continuous or intermittant All of these Thermal conductivity of the charge & structural materials of furnace Rate of firing and emissivity of flame Nature of process ; whether batch, continuous or intermittant All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time? Recuperator None of these Waste heat boiler Regenerator Recuperator None of these Waste heat boiler Regenerator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 50 20 80 5 50 20 80 5 ANSWER DOWNLOAD EXAMIANS APP