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Q:- When reviewing a radiograph of a weld made by the MAG(GMAW)process, you notice a very bright white inclusion in the weld, which of the following best describes this indication

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  1. Tungsten inclusion
  2. Spatter on the cap
  3. Copper inclusion
  4. It is most likely to be a film mark

Q:- An essential variable may :

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(a) Change the properties of the weld.  
(b) Influence the visual acceptability.  
(c) Require re-approval of the weld procedure.  
(d) All of the above.