Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Thickness of the stock Emissivity of the refactory walls Size of the furance Use of waste heat recovery equipments Thickness of the stock Emissivity of the refactory walls Size of the furance Use of waste heat recovery equipments ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are used for waste heat recovery in Beehive coke oven Blast furnace stoves Soaking pits By-product coke ovens Beehive coke oven Blast furnace stoves Soaking pits By-product coke ovens 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 Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame Thermal conductivity of the charge & structural materials of furnace All of these Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame Thermal conductivity of the charge & structural materials of furnace All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught Increases the load on the induced draft fan All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught Increases the load on the induced draft fan ANSWER DOWNLOAD EXAMIANS APP
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 While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 6000 4500 3000 2000 6000 4500 3000 2000 ANSWER DOWNLOAD EXAMIANS APP
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