Question 1
What does GMAW stand for in TESDA welding qualifications?
Correct Answer:
Gas Metal Arc Welding
Question 2
In carbon steel pipe GMAW, which shielding gas mixture is most commonly specified for balanced arc stability and penetration?
Correct Answer:
75% argon / 25% CO₂ (C-25)
Question 3
What is the primary purpose of shielding gas in GMAW pipe welding?
Correct Answer:
Protect the molten weld pool and arc from atmospheric oxygen and nitrogen
Question 4
ER70S-6 is a common solid wire for carbon steel GMAW. What does the "70" indicate?
Correct Answer:
Minimum tensile strength of the deposited weld metal of 70,000 psi
Question 5
Which GMAW metal transfer mode uses low current and voltage so the wire repeatedly short-circuits into the weld pool?
Correct Answer:
Short-circuiting (dip) transfer
Question 1
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Prepare with the GMAW NC II Practice Questions - TESDA Gas Metal Arc Welding (GMAW) NC II Competency Assessment Exam practice quiz. This question bank includes 100 questions covering pipe, gmaw, welding, carbon, and steel. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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GMAW NC II Practice Questions - TESDA Gas Metal Arc Welding (GMAW) NC II Competency Assessment Exam

This practice set contains 100 questions from the matching question bank and focuses on pipe, gmaw, welding, carbon, and steel. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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