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Electrical resistance welding is preferred over oxyacetylene and arc welding for joining P/M parts.

Electrical resistance welding is preferred over oxyacetylene and arc welding for joining P/M parts. Correct Answer True

Electrical resistance welding is preferred over oxyacetylene and arc welding for joining P/M parts. This is done to avoid the possibility of oxidation of the interiors of the porous P/M parts by oxyacetylene and arc welding processes.

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