Q.

For melting of cast iron, which of the following furnace is used?

A. rotary furnace
B. cupola furnace
C. pit furnace
D. electric furnace
Answer» B. cupola furnace
Explanation: cupola is a heavy furnace and has the capability to melt down heavy metals like cast iron. hence, the cupola furnace is mostly used to melt cast iron for casting purposes.
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