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| Q. |
Which of the following is not correct about electro slag welding? |
| A. | high deposition rates |
| B. | welds flat or vertical joints only |
| C. | multiple electrodes may not be used |
| D. | complicated set-up |
| Answer» C. multiple electrodes may not be used | |
| Explanation: the following are some advantages of electro slag welding: (i) high deposition rates, (ii) multiple electrodes may be used, (iii)low distortion. some disadvantages are: (i) welds flat or vertical joints only, (ii) complicated set-up, (iii)cooling water is needed. | |
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