Metals GMAW Exam Questions And Answers.docx

Metals GMAW Exam Questions And
Answers
Define G.M.A.W - - -
correct answer ✅gas metal arc welding


Define voltage - - -
correct answer ✅pressure that causes current to flow/ the water
pressure built up in the hose


Define amperage - - -
correct answer ✅amount or flow of current/ water coming out of
the hose


Define Resistance - - -
correct answer ✅opposition to flow/ kink in hose


What is the difference between primary and secondary power? - - -
correct answer ✅primary is input and secondary is output


What is primary voltage and what are the most common voltages
supplied? - - -
correct answer ✅power from electric company or outlet/ 110,
220, 440, 575

, Metals GMAW Exam Questions And
Answers
What is primary amperage? - - -
correct answer ✅input amperage


Explain the difference between single phase and three phase power
---
correct answer ✅single has a peak and a valley and three phase is
multiple/ no valley


What is the purpose of the ground connection? - - -
correct answer ✅completes circuit and is for safety


What is secondary power? - - -
correct answer ✅output of the machine


Define and explain, circle the one that is most commonly used in
GMAW - - -
correct answer ✅DCEN- direct current electro negative
((DCEP- direct current electro positive))


Give an example of Secondary Resistance - - -
correct answer ✅length of cable or air gap between electrode and
base metal