Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Thoria Graphite powder Beryllium Zircon powder Thoria Graphite powder Beryllium Zircon powder ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Recuperator is An intermittant waste heat recovery equipment Heavier than regenerator meant for the same duty Not used for fuel gas preheating A continuous waste heat recovery equipment An intermittant waste heat recovery equipment Heavier than regenerator meant for the same duty Not used for fuel gas preheating A continuous waste heat recovery equipment ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Reheating Melting None of these Roasting Reheating Melting None of these Roasting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the Time Temperature Nature of atmosphere All of these Time Temperature Nature of atmosphere All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Example of an indirectly heated furnace is Neither A nor B Both A and B Hood annealing furnace Muffle furnace Neither A nor B Both A and B Hood annealing furnace Muffle furnace ANSWER DOWNLOAD EXAMIANS APP