Question

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

(a) Rotary furnace

(b) Cupola furnace

(c) Pit furnace

(d) Electric furnace

I got this question during an internship interview.

The doubt is from Furnaces for Melting topic in portion Pouring – Gating Design, Melting Furnaces, Melting and Casting Quality of Casting-Forming-Welding I

Answer 1

The correct option is (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.