Furnace Technology Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace? Economiser Ceramic recuperator Waste heat boiler Regenerator Economiser Ceramic recuperator Waste heat boiler Regenerator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heat recoverable from flue gases of furnaces depends on the 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 Thermal efficiency of furnace Quantity of flue gases All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Circulation of gases in furnace is caused by the Furnace pressure in conjunction with draft in flues Difference in density between hot and cold gases All of these Change in volume during a change of temperature Furnace pressure in conjunction with draft in flues Difference in density between hot and cold gases All of these Change in volume during a change of temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Same Less More Either more or less; depends on the flue gas density Answer: Option B Same Less More Either more or less; depends on the flue gas density Answer: Option B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 20 5 60 40 20 5 60 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. All of these Reduces the furnace draught Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Reduces the furnace draught Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising ANSWER DOWNLOAD EXAMIANS APP
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