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GMAW Test Review Questions and Answers Rated A+
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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-...

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  • October 1, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • gmaw test review questions and answers rated a

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  • GMAW
  • GMAW

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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


3

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