Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have High excess air No O₂ in flue gas CO in flue gas None of these High excess air No O₂ in flue gas CO in flue gas None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by All of these Preheating the fuel gas Preheating the combustion air Oxygen enrichment of combustion air All of these Preheating the fuel gas Preheating the combustion air Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 3000 6000 4500 2000 3000 6000 4500 2000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which one shows the diagramatic heat balance in a furnace? Ostwald chart Cox chart None of these Sankey diagram Ostwald chart Cox chart None of these Sankey diagram ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by Preheating the combustion air Reducing the heat loss through furnace openings & doors Using oxygen enriched combustion air All of these Preheating the combustion air Reducing the heat loss through furnace openings & doors Using oxygen enriched combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Beryllium Graphite powder Thoria Zircon powder Beryllium Graphite powder Thoria Zircon powder ANSWER DOWNLOAD EXAMIANS APP
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