Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 65 50 85 99 65 50 85 99 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Increasing the draft in the furnace Preheating the fuel gas Oxygen enrichment of combustion air Preheating the combustion air Increasing the draft in the furnace Preheating the fuel gas Oxygen enrichment of combustion air Preheating the combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. 100 50 150 250 100 50 150 250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of indirectly heated furnace is the None of these Reheating furnace Soaking pit Muffle furnace None of these Reheating furnace Soaking pit Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Decarburisation of steel Is the removal of carbon from iron carbide (Fe₃C) All of these Is favoured by CO₂ Affects its crystalline structure Is the removal of carbon from iron carbide (Fe₃C) All of these Is favoured by CO₂ Affects its crystalline structure 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
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