Which of the following would be cause for rejection by most fabrication standards when inspecting fillet welds with undercut, a small amount of?

a Depth.
b Length.
c Width.
d Sharpness.

Please advise a best answer?

In the fillet weld most found at T joint and Connerz joint due to excess current or fast travel speed.
So, the parent metal may increase the hardness.

My answer is: Sharpness