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Chapter 17 Gas Tungsten Arc Welding of
Plate Test Questions And Answers 100%
Pass.
(T/F) The gas tungsten arc welding process can be used to join all types and thickness of metal -
Answer✔True
(T/F) One drawback of GTA welding is that welders have an obstructed view of the molten weld
pool. - Answer✔False
(T/F) Charts and graphs that give correct amperage, gas flow rate, and time for various welds and
metals were designed for optimum conditions in the field. - Answer✔False
(T/F) If the end of the filler rod becomes oxidized it must be cut off before restarting -
Answer✔True
(T/F) The amperage set on a machine and the actual welding current are often not the same -
Answer✔True
(T/F) Mild steel is expensive and requires the amount of cleaning - Answer✔False
(T/F) When welding mild steel, slight changes in the metal have large effect on the welding skill
required - Answer✔False
(T/F) Black crusty spots appearing on weld beads are often caused by improper cleaning of the
filler rod - Answer✔True
Which is the following is a reason to use GTA welding - Answer✔When a close-tolerance, high-
quality weld is required
In Gta welding, the torch may be angled____for better visibility. - Answer✔0-15 degrees from
perpendicular
If the end of the filler rod is removed from the shielding gas protection,_____. - Answer✔it will
oxidize rapidly
A____degree angle or less to the plate surface prevents air from being pulled into the welding
zone behind the rod. - Answer✔15
An oxide layer on aluminum is______, while on iron it is____. - Answer✔black, reddish
1|Page
Chapter 17 Gas Tungsten Arc Welding of
Plate Test Questions And Answers 100%
Pass.
(T/F) The gas tungsten arc welding process can be used to join all types and thickness of metal -
Answer✔True
(T/F) One drawback of GTA welding is that welders have an obstructed view of the molten weld
pool. - Answer✔False
(T/F) Charts and graphs that give correct amperage, gas flow rate, and time for various welds and
metals were designed for optimum conditions in the field. - Answer✔False
(T/F) If the end of the filler rod becomes oxidized it must be cut off before restarting -
Answer✔True
(T/F) The amperage set on a machine and the actual welding current are often not the same -
Answer✔True
(T/F) Mild steel is expensive and requires the amount of cleaning - Answer✔False
(T/F) When welding mild steel, slight changes in the metal have large effect on the welding skill
required - Answer✔False
(T/F) Black crusty spots appearing on weld beads are often caused by improper cleaning of the
filler rod - Answer✔True
Which is the following is a reason to use GTA welding - Answer✔When a close-tolerance, high-
quality weld is required
In Gta welding, the torch may be angled____for better visibility. - Answer✔0-15 degrees from
perpendicular
If the end of the filler rod is removed from the shielding gas protection,_____. - Answer✔it will
oxidize rapidly
A____degree angle or less to the plate surface prevents air from being pulled into the welding
zone behind the rod. - Answer✔15
An oxide layer on aluminum is______, while on iron it is____. - Answer✔black, reddish
1|Page
