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| Q. |
Which of the following defects occur due to flux employed and electrode coating? |
| A. | inclusion of slag |
| B. | inadequate penetration |
| C. | incomplete fusion |
| D. | porosity |
| Answer» A. inclusion of slag | |
| Explanation: slag inclusions are one of the main weld defects. if we don’t properly clean the slag from a bead, we run the risk of it becoming part of the weld when we run the next bead. a good welder will generally burn it out on the next pass, but if not, there will be a chunk of slag in the bead which leaves a weak spot. slag inclusions. | |
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