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 Which of the following is not a recuperative furnace? Coke oven Steamboiler Soaking pit Reheating furnace Coke oven Steamboiler Soaking pit Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating Blast furnace gas Steam Air None of these Blast furnace gas Steam Air None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Drying/tempering of refractories Roasting of pyrites Reheating of slabs Melting of glass Drying/tempering of refractories Roasting of pyrites Reheating of slabs Melting of glass ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Decarburisation of steel Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) All of these Affects its crystalline structure Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) All of these Affects its crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 45-50 44119 25-30 65-70 45-50 44119 25-30 65-70 ANSWER DOWNLOAD EXAMIANS APP
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