Chemical Engineering - Chemical Engineering Basics - Discussion


Pick out the wrong statement.

[A]. Seam welding, projection welding & spot welding are the classification of electrical resistance welding.
[B]. Electrode tip in spot welding is of copper and the tip diameter should be equal to t (where, t = plate thickness to be welded)
[C]. In spot welding, two pieces to be joined are overlapped and placed between two electrodes.
[D]. Mild steel sheet can not be spot welded.

Answer: Option D


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