GMAW Test - P6 Exam Questions And
Answers
Deoxidizers in GMAW filler wires play a particularly important role
when - - -
correct answer ✅CO2 sheilding is used
Which filler wire contains high levels of manganese and silicon and
is recommended for applications where bead appearance and low
splatter are important - - -
correct answer ✅ER480S-5 (ER70S-5)
The primary advantage of a constant voltage power source over a
constant current power source for GMAW is - - -
correct answer ✅the self-correcting voltage control
Which of the following occurs when the wire stickout is increased
while GMAW with a CV power source? - - -
correct answer ✅decreased penetration
When GMAW with a CV power source, wagon tracks can be
minimized by - - -
correct answer ✅reducing the arc voltage/increasing the arc
voltage
, GMAW Test - P6 Exam Questions And
Answers
In GMAW, the pulling technique - - -
correct answer ✅produces deeper penetration than the pushing
technique
characteristic of a carbon dioxide shielded arc - - -
correct answer ✅good surface cleaning action
The primary function of a voltmeter in the welding circuit of a CV
power source is to indicate the - - -
correct answer ✅load voltage
The polarity used for welding aluminum with the GMAW process is
---
correct answer ✅DCEN
Which filler wire contains aluminum, titanium, and zirconium and is
often selected for welding rusty or dirty base materials - - -
correct answer ✅ER480S-4 (ER70S-4)
Wire stickout or extension refers to the distance from the end of
the - - -
correct answer ✅contact tip to the base material
Answers
Deoxidizers in GMAW filler wires play a particularly important role
when - - -
correct answer ✅CO2 sheilding is used
Which filler wire contains high levels of manganese and silicon and
is recommended for applications where bead appearance and low
splatter are important - - -
correct answer ✅ER480S-5 (ER70S-5)
The primary advantage of a constant voltage power source over a
constant current power source for GMAW is - - -
correct answer ✅the self-correcting voltage control
Which of the following occurs when the wire stickout is increased
while GMAW with a CV power source? - - -
correct answer ✅decreased penetration
When GMAW with a CV power source, wagon tracks can be
minimized by - - -
correct answer ✅reducing the arc voltage/increasing the arc
voltage
, GMAW Test - P6 Exam Questions And
Answers
In GMAW, the pulling technique - - -
correct answer ✅produces deeper penetration than the pushing
technique
characteristic of a carbon dioxide shielded arc - - -
correct answer ✅good surface cleaning action
The primary function of a voltmeter in the welding circuit of a CV
power source is to indicate the - - -
correct answer ✅load voltage
The polarity used for welding aluminum with the GMAW process is
---
correct answer ✅DCEN
Which filler wire contains aluminum, titanium, and zirconium and is
often selected for welding rusty or dirty base materials - - -
correct answer ✅ER480S-4 (ER70S-4)
Wire stickout or extension refers to the distance from the end of
the - - -
correct answer ✅contact tip to the base material
