📢 Future CWIs! Master Part B of the CWI exam with this step-by-step breakdown of WPS (Welding Procedure Specification) and PQR (Procedure Qualification Record) questions! Learn GMAW rules, preheat compliance, shielding gas changes, and backing material—straight from Book of Specs!
🔍 In This Video:
✅ WPS vs. PQR – Key differences & how they impact exam questions.
✅ Question 1: Thickness qualification (1.1x rule) for GMAW Short-Circuiting Transfer in WPS.
✅ Question 2: Preheat temperature – Why a 100°F drop fails PQR compliance.
✅ Question 3: Shielding gas change (75/25 mix → 100% argon) – A critical WPS essential variable.
✅ Question 4: Backing material (ASTM A533 vs. A836) – How M-numbers affect PQR validity.
📚 FREE BONUS: Get my Part B Exam Guide (link below) covering WPS/PQR loopholes most candidates miss!
https://www.cwifirsttry.com/_files/ugd/6eb229_0ab26b54af2444278d527ba5135e10d4.pdf
🔥 Why Watch?
Real BOS codebook references (Table 7 & 8).
3D animations simplify complex rules.
Avoid FAILING on trick questions!
👍 SMASH that LIKE button, SUBSCRIBE, and COMMENT below if you want a Part 3 on Bend Tests & Fillet Welds!
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