Furnace Technology In a furnace employing forced draught as compared to induced draught, Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion None of these Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion None of these Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Heat transfer rate in the furnace Flame temperature Stack loss Oxygen in the flue gas Heat transfer rate in the furnace Flame temperature Stack loss Oxygen in the flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rate of heat release in a furnace, which is the measure of heat intensity is defined as Kcal/m³ combustion space Kcal/hr/m³ combustion space None of these Kcal/hr Kcal/m³ combustion space Kcal/hr/m³ combustion space None of these Kcal/hr ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 5% H₂ + 9% N₂ 100 %H₂ 100% CO 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100 %H₂ 100% CO 95% N₂ + 5% H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Coke ovens Open hearth furnace Both A & B Neither A nor B Coke ovens Open hearth furnace Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The method of Lobo and Evans is concerned with the calculation of the Mass transfer co-efficient Heat transfer in vacuum condensers Heat transfer by forced convection in a reboiler Heat absorption in radiant section of a furnace Mass transfer co-efficient Heat transfer in vacuum condensers Heat transfer by forced convection in a reboiler Heat absorption in radiant section of a furnace ANSWER DOWNLOAD EXAMIANS APP