Furnace Technology Air filtration in a furnace Reduces its thermal efficiency None of these Is indicated by flame sting out Increases the flue gas temperature Reduces its thermal efficiency None of these Is indicated by flame sting out Increases the flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the following furnaces, the gases are sucked through the stock bed from below? Soaking pit Beehive oven None of these Sintering machine Soaking pit Beehive oven None of these Sintering machine ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of non-preheated combustion air Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of non-preheated combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Oxygen in the flue gas Stack loss Heat transfer rate in the furnace Flame temperature Oxygen in the flue gas Stack loss Heat transfer rate in the furnace Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Sidefired Covered Recirculating Underfired Sidefired Covered Recirculating Underfired ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Size of the furance Use of waste heat recovery equipments Emissivity of the refactory walls Thickness of the stock Size of the furance Use of waste heat recovery equipments Emissivity of the refactory walls Thickness of the stock ANSWER DOWNLOAD EXAMIANS APP
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