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| Q. |
Which of the following defects occur due to scattering of metal around the vicinity of weld? |
| A. | undercut |
| B. | spatter |
| C. | cracking in weld metal |
| D. | cold cracking |
| Answer» B. spatter | |
| Explanation: spatters are the droplets of molten material during gas welding or arc welding. a temperature difference and slag accumulation are the reason of spatter formation. welding speed is also one of the main causes of spatter. type of material used and type of welding also decide to spatter density. | |
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