Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 50 99 65 85 50 99 65 85 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Accelerating the rate of scaling All of these Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling All of these Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? Blast furnace stoves High pressure boiler Beehive coke oven Coke oven Blast furnace stoves High pressure boiler Beehive coke oven Coke oven 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. Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the Dust concentration & nature of dust in waste gas Corrosive nature of the waste gas Quantity & temperature of waste gas All of these Dust concentration & nature of dust in waste gas Corrosive nature of the waste gas Quantity & temperature of waste gas All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ is an indirectly heated furnace. Open hearth furnace Reheating furnace Soaking pit Muffle furnace Open hearth furnace Reheating furnace Soaking pit Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
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