1.

What are the various types of furnaces? Explain.

Answer»

Various types of furnaces : 

1) Blast furnace: Blast furnace has both fire box and hearth combined in big chamber which accommodates both ore and fuel. 

2) Reverberatory furnace : It has both fire box and hearth separated, but the vapours (flame) obtained due to burning of the fuel touch the ore in the hearth and heat it. 

3) Retort furnace : In this furnace there is no direct contact between the hearth or fire box and even the flames do not touch the ore.



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