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 Increase in calorific value of the fuel Saving in fuel consumption Reduction in scale losses Increase in flame temperature Increase in calorific value of the fuel Saving in fuel consumption Reduction in scale losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by Reducing the heat loss through furnace openings & doors All of these Preheating the combustion air Using oxygen enriched combustion air Reducing the heat loss through furnace openings & doors All of these Preheating the combustion air Using oxygen enriched combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 90 25 65 10 90 25 65 10 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Shaft furnaces are used for Calcining Roasting All of these Smelting Calcining Roasting All of these Smelting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Oxygen in the flue gas Flame temperature Stack loss Heat transfer rate in the furnace Oxygen in the flue gas Flame temperature Stack loss Heat transfer rate in the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of CO in flue gas More of CO₂ in flue gas More of excess air Less of excess air More of CO in flue gas More of CO₂ in flue gas More of excess air Less of excess air ANSWER DOWNLOAD EXAMIANS APP
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