An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called ____________ furnace?
(A) Resistance
(B) Arc
(C) Low frequency induction
(D) None of these
An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called ____________ furnace?
(A) Resistance
(B) Arc
(C) Low frequency induction
(D) None of these
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