Welding GMAW Final Exam Questions And Answers.docx

Welding GMAW Final Exam Questions And
Answers
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


The benefit of copper coated electrode wires is - - -
correct answer ✅better arc starts. increased contact tip life.
improved wire feeding. all of the above


What type of power source is used for GMAW - - -
correct answer ✅constant voltage


In GMAW, which type of metal transfer is restricted only to flat and
horizontal position fillet welds - - -
correct answer ✅Spray Tranfer

, Welding GMAW Final Exam Questions And
Answers
What type fo electrode wire is used with GMAW - - -
correct answer ✅Solid


In GMAW, the amperage is controlled by adjusting the - - -
correct answer ✅wire feed speed.


In GMAW, electrode extension is defined as the distance from the -
--
correct answer ✅end of the contact tube to the tip of the wire


Which AWS electrode classification is correct for GMAW wire - - -
correct answer ✅ER70S-3


Which of the following is considered an advantage for the GMAW
process - - -
correct answer ✅All of the above


Electric current is transferred to the electrode through the - - -
correct answer ✅Contact tube