A gas pocket or weld cavity caused by gas or moisture trapped in a weld is called:
a. a box
b. a blowhole
c. coalescence
d. a crater
e. spatter
Answer: B
A gas pocket or weld cavity caused by gas or moisture trapped in a weld is called:
a. a box
b. a blowhole
c. coalescence
d. a crater
e. spatter