Flashcards in Visual Testing Deck (12)
What is a discontinuity?
A disruption to the norm.
A linear discontinuity is a discontinuity which:
has the length greater than 3 times its width
What is is the most critical discontinuity?
A type of discontinuity occurs as the metal solidifies is called:
T or F. A transverse crack travels perpendicular to the weld direction.
Crater cracks occur at the starting point of the weld. T or F?
What type of crack can occur or propagate many hours after the completion of the weld?
underbead (intermediate) passes
T or F. Incomplete penetration occurs in the root of the weld.
Lack of fusion happens along the ____, lack of penetration happens at the _____
______ or ____ draws metal up due to the lack of filler.
suckback or heat shrink
T or F. A transverse crack occurs 90 degrees to the direction of the weld.