GMAW Final Exam Question And Answers
Steel from 1/4" to 1/2" thick may be butt welded with no edge
preparation. - - -
correct answer ✅False
The backhand technique is generally used for welding stainless
steel. - - -
correct answer ✅False
Using short circuiting transfer on aluminum produces a colder arc
than is produced with spray transfer. - - -
correct answer ✅True
When using GMAW on aluminum, a lower current than that used
for other metals is required. - - -
correct answer ✅True
A 95% Ar/5% O2 shielding gas mixture provides higher heat input
when welding aluminum between 1" and 2" thick. - - -
correct answer ✅False
When welding stainless steel more than 1/4" thick using GMAW, a
slight side-to-side movement should be used. - - -
correct answer ✅True
Steel from 1/4" to 1/2" thick may be butt welded with no edge
preparation. - - -
correct answer ✅False
The backhand technique is generally used for welding stainless
steel. - - -
correct answer ✅False
Using short circuiting transfer on aluminum produces a colder arc
than is produced with spray transfer. - - -
correct answer ✅True
When using GMAW on aluminum, a lower current than that used
for other metals is required. - - -
correct answer ✅True
A 95% Ar/5% O2 shielding gas mixture provides higher heat input
when welding aluminum between 1" and 2" thick. - - -
correct answer ✅False
When welding stainless steel more than 1/4" thick using GMAW, a
slight side-to-side movement should be used. - - -
correct answer ✅True
