First slide

General methods of extraction of elements from the earth crust

Question

Which furnace can be used to get temperature above 3000^oC?

Moderate

A

Blast furnace
B

Reverberatory furnace
C

Arc furnace
D

None of the above

Solution

An Electric Arc Furnace, is used in making steel and heat charged material (scrap metal) by means of an electric arc. This Furnace temperatures can reach 3200°c.

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