Furnace Technology Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an Blast furnace Salt bath furnace Steam boiler Annealing furnace Blast furnace Salt bath furnace Steam boiler Annealing furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Main gas valve in a gaseous fuel burner is a __________ valve. None of these Globe Butterfly Gate None of these Globe Butterfly Gate ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty Occupy more space All of these Are less costly Are of smaller size Occupy more space All of these Are less costly Are of smaller size ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ atmosphere is maintained inside an iron blast furnace. Inert Reducing Decarburising Oxidising Inert Reducing Decarburising Oxidising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising Increases the load on the induced draft fan All of these Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising Increases the load on the induced draft fan All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Accelerating the rate of scaling Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Accelerating the rate of scaling Causing metal embrittlement ANSWER DOWNLOAD EXAMIANS APP
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