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Thread couplings are widely used for the addition of new segments of electrodes in the electric furnaces.

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in Casting-Forming-Welding II by (119k points)
Thread couplings are widely used for the addition of new segments of electrodes in the electric furnaces.

(a) True

(b) False

I got this question during an internship interview.

My question is from Electric Furnace in portion Metal Furnace and Practice of Casting-Forming-Welding II

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Right answer is (a) True

For explanation I would say: An electric furnace mainly has three electrodes which are made round in section, and typically in segments with threaded couplings, so that new segments can be added during wearing of electrodes. Then the charged material is heated by the passing of current through the charge and the radiant energy which is developed by the arc.

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