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Which of the following furnaces is the primary method for melting the cast iron metal?

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in Casting-Forming-Welding II by (119k points)
Which of the following furnaces is the primary method for melting the cast iron metal?

(a) Electric arc furnace

(b) Rotary furnace

(c) Cupola furnace

(d) Induction furnace

This question was posed to me by my school principal while I was bunking the class.

My doubt stems from Selection of Remelting Furnace topic in section Metal Furnace and Practice of Casting-Forming-Welding II

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Correct option is (c) Cupola furnace

Best explanation: Cupola furnace is a furnace which is a primary method for melting the cast iron metal in the iron foundries. The cupola furnace has many unique features which are responsible for its widespread use as a melting unit. Cupola furnace is basically used for melting the scrap material or pig iron for production of several cast irons. It is also used for producing nodular and malleable cast irons.

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