Basic GMAW Welding Exam Questions And
Answers
A tack weld involves placing a small weld at each end of the joint
being welded and every few inches in between. - - -
correct answer ✅True
Incomplete fusion occurs when______. - - -
correct answer ✅The weld does not fuse properly causing the
weld to be weak
Three factors that may cause a weld to crack are _________. - - -
correct answer ✅Insufficient weld size, poor joint design or
preparation, and dirty base metal.
When welding a butt-joint in multiple positions _________. - - -
correct answer ✅The welder must devise a suitable clamping
method depending on the situation
A good GMAW bead should _________. - - -
correct answer ✅All of the above.
How long should each bead be when performing a tack weld? - - -
correct answer ✅About 1/2 in.
Answers
A tack weld involves placing a small weld at each end of the joint
being welded and every few inches in between. - - -
correct answer ✅True
Incomplete fusion occurs when______. - - -
correct answer ✅The weld does not fuse properly causing the
weld to be weak
Three factors that may cause a weld to crack are _________. - - -
correct answer ✅Insufficient weld size, poor joint design or
preparation, and dirty base metal.
When welding a butt-joint in multiple positions _________. - - -
correct answer ✅The welder must devise a suitable clamping
method depending on the situation
A good GMAW bead should _________. - - -
correct answer ✅All of the above.
How long should each bead be when performing a tack weld? - - -
correct answer ✅About 1/2 in.
