Furnace Technology Shaft furnaces are used for Smelting Roasting All of these Calcining Smelting Roasting All of these Calcining ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Calcination of limestone to produce lime is done in a __________ kiln. Both B and C Tunnel Vertical shaft Rotary Both B and C Tunnel Vertical shaft Rotary ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is a regenerative furnace? Open hearth furnace Neither A nor B Both A and B Coke oven heating chamber Open hearth furnace Neither A nor B Both A and B Coke oven heating chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling Causing metal embrittlement All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling Causing metal embrittlement ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of furnaces can be improved by Waste heat recovery from flue gas Minimising heat losses from furnace walls All of these Maintaining proper draught Waste heat recovery from flue gas Minimising heat losses from furnace walls All of these Maintaining proper draught ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the Burner design (thoroughness of mixing versus stratification) All of these Air supplied and furnace temperature Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Burner design (thoroughness of mixing versus stratification) All of these Air supplied and furnace temperature Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) ANSWER DOWNLOAD EXAMIANS APP
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