Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Zircon powder Beryllium Thoria Graphite powder Zircon powder Beryllium Thoria Graphite powder ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not a hearth furnace? Open hearth furnace Glass tank furnace Cupola Reheating furnace Open hearth furnace Glass tank furnace Cupola Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a recuperative furnace? Reheating furnace Steamboiler Soaking pit Coke oven Reheating furnace Steamboiler Soaking pit Coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by Oxygen enrichment of combustion air Preheating the fuel gas Preheating the combustion air All of these Oxygen enrichment of combustion air Preheating the fuel gas Preheating the combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables affects the furnace capacity? All of these Thermal conductivity of stock Thickness of heating stock Temperature of flue gas All of these Thermal conductivity of stock Thickness of heating stock Temperature of flue gas ANSWER DOWNLOAD EXAMIANS APP