Furnace Technology Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace? Economiser Waste heat boiler Ceramic recuperator Regenerator Economiser Waste heat boiler Ceramic recuperator Regenerator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Increases the load on the induced draft fan Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Increases the load on the induced draft fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 99 85 65 50 99 85 65 50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in flame temperature Reduction in scale losses Saving in fuel consumption Increase in calorific value of the fuel Increase in flame temperature Reduction in scale losses Saving in fuel consumption Increase in calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Neutral atmosphere is maintained in a/an __________ furnace. Open hearth Walking beam reheating Soaking pit Cold rolled steel coil annealing Open hearth Walking beam reheating Soaking pit Cold rolled steel coil annealing ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Decarburisation of steel Is the removal of carbon from iron carbide (Fe₃C) Is favoured by CO₂ All of these Affects its crystalline structure Is the removal of carbon from iron carbide (Fe₃C) Is favoured by CO₂ All of these Affects its crystalline structure ANSWER DOWNLOAD EXAMIANS APP
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