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Which of the following furnaces is mainly used for re-melting the steel metal?

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in Casting-Forming-Welding II by (119k points)
Which of the following furnaces is mainly used for re-melting the steel metal?

(a) Blast furnace

(b) Electric arc furnace

(c) Rotary furnace

(d) Cupola furnace

This question was posed to me in an online interview.

Query is from Selection of Remelting Furnace in division Metal Furnace and Practice of Casting-Forming-Welding II

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The correct answer is (b) Electric arc furnace

Easy explanation: A furnace is a tool used for melting the ferrous and nonferrous materials for the production of castings; different furnaces are used for melting and re-melting the ferrous and nonferrous materials. A blast furnace basically used for melting the iron ore to get pig iron, cupola furnace is used to produce cast iron metal and an electric arc furnace is used for re-melting the steel metal.

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