GMAW Test Review Questions and
Answers Rated A+
What is the primary shielding gas used in GMAW welding?
- A) Oxygen
- B) Argon
- C) Carbon dioxide
- D) Nitrogen
B) Argon
What type of metal transfer is commonly used in GMAW for welding thin materials?
- A) Spray transfer
- B) Short-...
GMAW Test Review Questions and
Answers Rated A+
What is the primary shielding gas used in GMAW welding?
- A) Oxygen
- B) Argon
- C) Carbon dioxide
- D) Nitrogen
✔✔ B) Argon
What type of metal transfer is commonly used in GMAW for welding thin materials?
- A) Spray transfer
- B) Short-circuit transfer
- C) Globular transfer
- D) Pulse transfer
✔✔ B) Short-circuit transfer
Which of the following is a key advantage of GMAW over other welding processes?
- A) Higher deposition rates
1
,- B) Requires no shielding gas
- C) Uses flux to protect the weld
- D) Can be used underwater
✔✔ A) Higher deposition rates
In GMAW, what is the function of the electrode?
- A) To provide heat for the weld
- B) To act as a filler material
- C) To shield the weld from oxidation
- D) To control the arc length
✔✔ B) To act as a filler material
What polarity is typically used for GMAW welding of steel?
- A) AC
- B) DCEN (Direct Current Electrode Negative)
- C) DCEP (Direct Current Electrode Positive)
- D) Both AC and DC
✔✔ C) DCEP (Direct Current Electrode Positive)
2
, Which of the following is NOT a type of metal transfer in GMAW?
- A) Spray transfer
- B) Short-circuit transfer
- C) Pulse transfer
- D) TIG transfer
✔✔ D) TIG transfer
What should you do if porosity occurs in your weld during GMAW?
- A) Increase the wire feed speed
- B) Decrease the shielding gas flow
- C) Clean the base metal of contaminants
- D) Increase the voltage
✔✔ C) Clean the base metal of contaminants
What is the typical wire feed speed setting range for GMAW?
- A) 20-50 inches per minute
- B) 100-300 inches per minute
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