CSWIP 3.1 Training Questions for Pipe Sample Training 2. Answer all 20 questions on the separate Candidate Answer Sheet provided. Your answers to be marked with an X in the appropriate box. Your acceptance criteria is to be based on the requirements of TWI code 02

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The Weld Face.

1. What is the maximum excess weld metal to be found on your sample and would you accept or reject your findings?a) > 5.0 mmb) 2.5 mmc) 3.0 mmd) < 1.5 mme) Acceptf) Reject

2. With regards to the surface profile, which of the following comments best matches your assessment and would you accept or reject your findingsa) Toe blend generally goodb) Toe bend and surface profile generally goodc) Poor toe blend with good surface profiled) Poor toe blend and poor surface profilee) Acceptf) Reject

3. With reference to incomplete filled groove which of the following best matches your findings. Would you accept or reject your findingsa) No incomplete filled groove visually detected.b) Full weld lengthc) 100 to 105mm lengthd) 50mm to 55mm in lengthe) Acceptf) Reject

4. With reference to slag inclusions, which of the following best matches your assessment of the total accumulative length and would you accept or reject your findings.a) 10 to 15mm in lengthb) 15 to 20mm in lengthc) < 5mmd) No slag inclusions visually detectede) Acceptf) Reject

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5. With reference to cap undercut, which of the following best matches your findings and would you accept or reject your findings.a) Accumulative length 35 to 38 mm smoothb) Accumulative length 35 to 40mm, sharpc) No cap undercut visually detectedd) Accumulative length < 30mme) Acceptf) Reject

6. With reference to cap undercut, which of the following best matches your findings and would you accept or reject your findings.a) Depth < 2.0mmb) Depth > 2.5mmc) Maximum depth approximately 2.5mmd) No cap undercut visually detected.e) Acceptf) Reject.

7. With reference to surface porosity, what is the maximum single pore size and would you accept or reject your findings.a) ø 3mmb) ø > 1.5mmc) ø ≤ 1.0mmd) No porosity visiblee) Acceptf) Reject

8. Regarding your samples parent material, which of the following best matches your findings and would you accept or reject.a) Above two arc strikes visibleb) Arc strikes, mechanical damage and hard stamping marks visiblec) Mechanical damage visible plus a hard stamping mark d) Mechanical damage plus three hard stamping markse) Acceptf) Reject

9. With reference to question number 3, which of the following best matches your findings and would you accept or reject your findingsa) Incomplete filled groove associated with lack of sidewall fusion, approximately 105mm in

length.b) Incomplete filled groove only.c) Incomplete filled groove associated with lack of sidewall fusion, < 11 mm weld length.d) None of the above.e) Acceptf) Reject

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10. With reference to spatter which of the following best describes your findingsa) Intermittent spatter noted requires light cleaningb) No spatter visiblec) Heavy spatter visible throughout the weld and parent piped) Spatter throughout the weld and parent material cap requires grinding flush.e) Acceptf) Reject

The Weld Root

11. With reference to root undercut, which of the following best matches your assessment of the total accumulative length and is it acceptable or rejectable.a) 5mmb) 55 to 60mmc) 18 to 20mmd) None of the abovee) Acceptf) Reject

12. With reference to pipe misalignment which of the following best matches your visual assessment of the plate sample and would you accept or reject your findings.a) > 2.0mmb) < 1.5mmc) 5mmd) None of the abovee) Acceptf) Reject

13. With reference to excessive root penetration which of the following best matches your assessment of the highest individual point measured and would you accept or reject your findingsa) > 7mmb) 7mmc) < 2.5mmd) > 3mme) Acceptf) Reject

14. With reference to the parent material condition which of the following best matches your assessment and would you accept or reject the parent material conditiona) Heavy rusting throughout, requires cleaningb) Material stamping mark’s, requires blending.c) The parent material condition is generally clean throughoutd) Laminations detected requires further investigation with UT/MTe) Acceptf) Reject

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15. With reference to the collapse of the root resulting in a burn through, which of the following best matches your findings and would you accept or reject your findings.a) One visible < 7mm in diameter.b) No burn through visible.c) Three visible of various diametersd) Two visible not exceeding 5mm in diametere) Acceptf) Reject

16. With reference to root concavity which of the following best matches your findings and would you accept or reject your findings.a) 90 mm accumulative length, < 1mm depthb) < 10 mm, 2mm depthc) One area 23mm in length, < 1mm depthd) No root concavity visiblee) Acceptf) Reject

17. With reference to root cracking which of the following best matches your findings and would you accept or reject the observed defecta) No cracks visibleb) One crater crack visiblec) One longitudinal crack visible < 5mm in lengthd) None of the abovee) Acceptf) Reject

18. With reference to lack of root penetration which of the following best matches your findings and would you accept or reject your findingsa) >110 mm in total lengthb) 58 to 65 mm in total lengthc) 12 to 15mm in lengthd) None of the abovee) Acceptf) Reject

19. With reference to lack of root fusion, which of the following best matches your findings and would you accept or reject your findingsa) One area 52 to 60 mm in length intermittentb) Two areas, accumulative length > 110mmc) Intermittent throughout the root passd) No lack of root fusion visible.e) Acceptf) Reject

20. Your overall assessment of the weld sample is:a) Acceptb) Reject.

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