In GMAW, electrode extension is defined as the distance from the -
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correct answer ✅End of the contact tube to the tip of the wire
In GMAW, the shielding for the molten metal is accomplished
through the use of - - -
correct answer ✅inert and reactive gases
GMAW is the abbreviation for - - -
correct answer ✅Gas Metal Arc Welding
In GMAW, insufficient gas flow can cause? - - -
correct answer ✅porosity
What type of power source is used for GMAW? - - -
correct answer ✅Constant voltage
The rate at which the welding gun moves along the weld joint is
called the wire feed speed. - - -
correct answer ✅False
, GMAW Test Exam Questions And Answers
Why is it harder to get even lines on penetration with the short
circuit GMAW than SMAW on a 2F bend test - - -
correct answer ✅Electrode size of GMAW is much smaller
A worn contact tube results in - - -
correct answer ✅poor arc starts
What shielding gas or gas mixture will NOT produce spray transfer?
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correct answer ✅100% carbon dioxide
A minimum of 75% Argon is required to achieve a spray transfer. - -
-
correct answer ✅False
Which one of the gasses listed below is inert? - - -
correct answer ✅Argon
The benefit of copper coated electrode wires is - - -
correct answer ✅Better arc starts, increased contact tip life,
improved wire feeding