Q77
Zone refinning is a process in which
A.
a metalrod is dipped in a molten pool of liquid to dissolve slowly and the liquid is refined continuously
B.
liquid metal is refined in the zone of electric arc in the DC arc furnace
C.
a metal in the form of long rod is melted over a short length and molten region is made to traverse along the length of the rod
AnswerD.
a long metal rod is cut into small parts and each part is melted and refined separately
Answer: Option C
Solution
Answer: Option C
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