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| Q. |
Thermit welding differs from other methods of welding in the following way |
| A. | It does not use heat |
| B. | It employs exothermal chemical reaction for developing high temperature |
| C. | It is less time consuming |
| D. | It does not require electrodes |
| E. | None of the above |
| Answer» B. It employs exothermal chemical reaction for developing high temperature | |
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