The porosity of welded joint may be caused by
A. low welding current
B. incorrect size of electrode
C. poor base metal
D. any of the above
Show Answer
Answer: C
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The porosity of welded joint may be caused by
A. low welding current
B. incorrect size of electrode
C. poor base metal
D. any of the above
Answer: C
Share your understanding of this question with the correct explanation.