Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 5% H₂ + 9% N₂ 100 %H₂ 95% N₂ + 5% H₂ 100% CO 5% H₂ + 9% N₂ 100 %H₂ 95% N₂ + 5% H₂ 100% CO ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? High pressure boiler Blast furnace stoves Coke oven Beehive coke oven High pressure boiler Blast furnace stoves Coke oven Beehive coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a recuperative furnace? Steamboiler Reheating furnace Coke oven Soaking pit Steamboiler Reheating furnace Coke oven Soaking pit 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 Beryllium Zircon powder Graphite powder Thoria Beryllium Zircon powder Graphite powder Thoria ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Higher power consumption in its transportation Erosion of induced draft fan blades Excessive fly ash discharge from the stack Ash disposal problem Higher power consumption in its transportation Erosion of induced draft fan blades Excessive fly ash discharge from the stack Ash disposal problem ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty Are of smaller size Occupy more space Are less costly All of these Are of smaller size Occupy more space Are less costly All of these ANSWER DOWNLOAD EXAMIANS APP