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Chapter 20 – GMAW Test Questions And
Answers 100% Pass.
Globular transfer is often used for welding metal more than 1/2" thick - Answer✔False
Crater cracks can be caused by improperly filled craters - Answer✔True
Short circuiting transfer is used frequently at current levels less than 200 A - Answer✔True
GMAW is not well suited for use in windy areas - Answer✔True
The edges of metals thicker than 1/4% should be beveled when using GMAW - Answer✔True
A drag angle is a travel angel where the electrode wire points away from the direction of travel -
Answer✔True
Surface porosity in a weld is caused by insufficient current - Answer✔False
Starting an arc becomes increasingly difficult as electrode extension increases - Answer✔True
GMAW produces a heavy slag coating that is easily removed - Answer✔False
DCEN is used for most GMAW applications - Answer✔False
Pulsed spray transfer is used to weld a wide variety of metal thicknesses - Answer✔True
With pulsed spray transfer, current changes from DCEP to AC each cycle - Answer✔False
Globular transfer produces a stable arc, excellent weld appearance, and little weld spatter -
Answer✔True
Globular transfer can be used in all welding positions - Answer✔False
The spray transfer transition current varies depending on the gas type and diameter of the
welding wire and the composition of the shielding gas - Answer✔True
Two variables that affect droplet transfer in short circuiting transfer are slope and inductance -
Answer✔True
Incomplete fusion (overlap) occurs when the weld pool flows onto unwelded base metal without
fusing. - Answer✔True
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Chapter 20 – GMAW Test Questions And
Answers 100% Pass.
Globular transfer is often used for welding metal more than 1/2" thick - Answer✔False
Crater cracks can be caused by improperly filled craters - Answer✔True
Short circuiting transfer is used frequently at current levels less than 200 A - Answer✔True
GMAW is not well suited for use in windy areas - Answer✔True
The edges of metals thicker than 1/4% should be beveled when using GMAW - Answer✔True
A drag angle is a travel angel where the electrode wire points away from the direction of travel -
Answer✔True
Surface porosity in a weld is caused by insufficient current - Answer✔False
Starting an arc becomes increasingly difficult as electrode extension increases - Answer✔True
GMAW produces a heavy slag coating that is easily removed - Answer✔False
DCEN is used for most GMAW applications - Answer✔False
Pulsed spray transfer is used to weld a wide variety of metal thicknesses - Answer✔True
With pulsed spray transfer, current changes from DCEP to AC each cycle - Answer✔False
Globular transfer produces a stable arc, excellent weld appearance, and little weld spatter -
Answer✔True
Globular transfer can be used in all welding positions - Answer✔False
The spray transfer transition current varies depending on the gas type and diameter of the
welding wire and the composition of the shielding gas - Answer✔True
Two variables that affect droplet transfer in short circuiting transfer are slope and inductance -
Answer✔True
Incomplete fusion (overlap) occurs when the weld pool flows onto unwelded base metal without
fusing. - Answer✔True
1|Page
