Furnace Technology Fuel economy in furnaces can be achieved by All of these Reducing the heat loss through furnace openings & doors Using oxygen enriched combustion air Preheating the combustion air All of these Reducing the heat loss through furnace openings & doors Using oxygen enriched combustion air Preheating the combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. High frequency induction Resistance Arc Low frequency induction High frequency induction Resistance Arc Low frequency induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reducing atmosphere is maintained in a Blast furnace L.D. converter Soaking pit Calcination kiln Blast furnace L.D. converter Soaking pit Calcination kiln ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the All of these Burner design (thoroughness of mixing versus stratification) Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Air supplied and furnace temperature All of these Burner design (thoroughness of mixing versus stratification) Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Air supplied and furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Preheating the primary air Drying of coal Combustion of coal by supplying it around the burner Transportation of coal Preheating the primary air Drying of coal Combustion of coal by supplying it around the burner Transportation of coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating Air None of these Steam Blast furnace gas Air None of these Steam Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
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