Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Are less costly Have higher pressure differential between flue gas & air side Are lighter Occupy more space Are less costly Have higher pressure differential between flue gas & air side Are lighter Occupy more space 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
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous Flue gas temperature Emissivity of refractory walls Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous Flue gas temperature Emissivity of refractory walls ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are used for waste heat recovery in Soaking pits Beehive coke oven By-product coke ovens Blast furnace stoves Soaking pits Beehive coke oven By-product coke ovens Blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an Air preheater Steam superheater All of these Economiser Air preheater Steam superheater All of these Economiser ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heat recoverable from flue gases of furnaces depends on the Quantity of flue gases Thermal efficiency of furnace All of these Flue gas temperature drop through the furnace Quantity of flue gases Thermal efficiency of furnace All of these Flue gas temperature drop through the furnace ANSWER DOWNLOAD EXAMIANS APP