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The major difficulty during welding of aluminium is due to its

Welding of $$C40$$ steel plate of $$10mm$$ thickness required a current of $$16$$amps, while it was $$360$$amps when the plate thickness was increased by $$50\% $$. Estimate the we...

The electrodes used in $$arc$$ welding are coated. This coating is not expected to

For resistance spot welding of $$1.5$$ $$mm$$ thick steel sheets, the current required is of the order