Question 1
In the ISO 4063 process-number system used throughout IIW training, which reference number designates manual metal arc welding (MMA/SMAW)?
Correct Answer:
111
Question 2
Which ISO 4063 number designates TIG (gas tungsten arc) welding with solid filler or no filler?
Correct Answer:
141
Question 3
What is the primary functional difference between MIG (131) and MAG (135) gas metal arc welding?
Correct Answer:
MIG uses an inert shielding gas while MAG uses an active (reactive) shielding gas
Question 4
In GMAW, increasing the arc voltage (within the operating range) while holding wire feed speed constant will primarily change the weld in which way?
Correct Answer:
Produce a wider, flatter bead with shallower penetration
Question 5
Spray transfer in GMAW of steel is generally achieved only above a certain current with which shielding gas?
Correct Answer:
Argon-rich mixtures (typically at least about 80% argon)
Question 1
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Prepare with the IIW IWE Practice Questions - IIW International Welding Engineer (IWE) Exam practice quiz. This question bank includes 100 questions covering welding, steel, weld, stainless, and metal. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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IIW IWE Practice Questions - IIW International Welding Engineer (IWE) Exam

This practice set contains 100 questions from the matching question bank and focuses on welding, steel, weld, stainless, and metal. 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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