Slag used in fusion welding has nitrogen.(a) True(b) FalseI had been asked this question in an online quiz.Origin of the question is Metallurgy of Weld topic in portion Welding and Related Processes of Casting-Forming-Welding II

Slag used in fusion welding has nitrogen.(a) True(b) FalseI had been a

1.	Slag used in fusion welding has nitrogen.(a) True(b) FalseI had been asked this question in an online quiz.Origin of the question is Metallurgy of Weld topic in portion Welding and Related Processes of Casting-Forming-Welding II
Answer» Correct OPTION is (a) True Explanation: Slags used in welding are generally a combination of SILICA materials and some carbonate compounds. In fusion welding, some amount of BEAD CONTROL has to be done, which is done by the slags, for this purpose, to improve its performance, microelements like NITROGEN are added.

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