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| Q. |
Which of the following is true about flux core arc welding? |
| A. | low deposition rate |
| B. | cannot weld narrow angles |
| C. | slag removal required |
| D. | generates less volume of fumes and smoke. |
| Answer» C. slag removal required | |
| Explanation: the following are some advantages of flux core arc welding: (i)high deposition rates, (ii)can be used to groove angles as narrow as 30˚, (iii)welds in all positions can be made, (iv)has excellent weld pool control. some disadvantages are: (i) slag removal required, (ii) generates large volume of fumes and smoke. | |
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