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| Q. |
How are the metals to be welded connected to each other in spot welding? |
| A. | electric contact |
| B. | magnetic field |
| C. | mechanical pressure |
| D. | direct contact |
| Answer» C. mechanical pressure | |
| Explanation: in spot welding process, the metal or the alloy parts which are to be welded, are heated in their in their zones. to bring these parts in contact with one another, mechanical pressure is applied, causing them to connect. | |
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