Furnace Technology Fuel economy in furnaces can be achieved by Preheating the combustion air Using oxygen enriched combustion air All of these Reducing the heat loss through furnace openings & doors Preheating the combustion air Using oxygen enriched combustion air All of these Reducing the heat loss through furnace openings & doors ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Are less costly Are lighter Have higher pressure differential between flue gas & air side Occupy more space Are less costly Are lighter Have higher pressure differential between flue gas & air side Occupy more space ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Flue gas temperature Initial temperature of the charged stock Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Flue gas temperature Initial temperature of the charged stock Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heat recoverable from flue gases of furnaces depends on the 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 Flue gas temperature drop through the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace? Waste heat boiler Economiser Ceramic recuperator Regenerator Waste heat boiler Economiser Ceramic recuperator Regenerator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Stoichiometric combustion air Combustion air not enriched with oxygen Non-preheated combustion air Recupterators Stoichiometric combustion air Combustion air not enriched with oxygen Non-preheated combustion air Recupterators ANSWER DOWNLOAD EXAMIANS APP
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