Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. Resistance Low frequency induction None of these Arc Resistance Low frequency induction None of these Arc ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables does not affect the furnace capacity? None of these Ratio of wall surface to surface of stock Size of the furnace Gas velocity in furnace None of these Ratio of wall surface to surface of stock Size of the furnace Gas velocity in furnace 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 pulverised solid fuels Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air Use of non-preheated combustion air Use of pulverised solid fuels Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air Use of non-preheated combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Neither A nor B Coke ovens Open hearth furnace Both A & B Neither A nor B Coke ovens Open hearth furnace Both A & B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In producer gas making furnace, steam is added along with air to mainly control the Temperature of producer gas Fusion of coal ash & clinker formation V. of producer gas Tar content in producer gas Temperature of producer gas Fusion of coal ash & clinker formation V. of producer gas Tar content in producer gas 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 Graphite powder Zircon powder Beryllium Thoria Graphite powder Zircon powder Beryllium Thoria ANSWER DOWNLOAD EXAMIANS APP
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