Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 10 90 25 65 10 90 25 65 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 excess air Less of excess air More of CO₂ in flue gas More of CO in flue gas More of excess air Less of excess air More of CO₂ in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 20 40 80 60 20 40 80 60 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Preheating of combustion air All of these Steam generation in waste heat boilers Preheating of cold stock Preheating of combustion air All of these Steam generation in waste heat boilers Preheating of cold stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reverberatory furnace is used for Steel melting Annealing steel coil Heating air Roasting/reduction of ores Steel melting Annealing steel coil Heating air Roasting/reduction of ores ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by 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 Reducing the heat loss through furnace openings & doors ANSWER DOWNLOAD EXAMIANS APP
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