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When heat from electric current and pressure are used in welding, it is known as:

A. spot welding
B. forge welding
C. submerged arc welding
D. MIG welding
E. TIG welding

Answer :

Final answer:

Spot welding is the process which uses heat from an electric current and pressure to join workpieces together in a 'spot'. The electric current generates heat due to electrical resistance, and when used with pressure, results in a weld.

Explanation:

When heat from electric current and pressure are used in welding, it may fall under several categories, but the most fitting answer from the provided choices is spot welding. In spot welding, heat from an electric current is applied via two electrodes that clamp the workpieces together, creating the pressure needed for the weld to form. As the current is applied, it generates heat due to electrical resistance, and this heat in combination with the pressure results in the joining of the workpieces in a 'spot'.

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