What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called?

What is the type of welding defect caused due to poor manipulation of

1.	What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called?
A.	Porosity
B.	Undercut
C.	Under fill
D.	Crack
Answer» C. Under fill

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What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called?

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