CSWIP 3.1 Training Questions for Pipe Sample Training 1. 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

Name: ……………………………………………… Signature: …........................................ Date: ………………

The Weld Face.

1. What is the maximum excess weld metal to be found on your sample and would you accept or reject your findingsa) Flushb) < 2.5mmc) 3.0 mmd) > 4.5 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 in certain areas, profile generally good.e) Acceptf) Reject

3. With reference to incomplete filled groove which of the following best matches your findings and would you accept or reject your findingsa) No incomplete filled groove visually detected.b) Full weld lengthc) 50 to 70mm lengthd) 10mm to 20mm 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 50 to 60mmb) Accumulative length 10 to 40mmc) No cap undercut visually detectedd) Accumulative Intermittent length >300mme) 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 < 1.0mmb) Depth > 2.5mm all sharpc) Maximum depth approximately 2.0 mm, some areas sharpd) 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 < 0.5mmb) ø 1.0mmc) ø > 2.0mmd) No porosity visually detectede) Acceptf) Reject

8. Regarding your samples parent material, which of the following best matches your findings and would you accept or reject.a) One arc strike visible, no mechanical damageb) Two arc strikes plus mechanical damage visiblec) One arc strikes plus mechanical damage visibled) No arc strikes visible, mechanical damage visible.e) 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 25mm in

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

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10. With reference to the general weld/parent pipe condition which of the following best matches your findings.a) Both weld and parent pipe clean and ready for coating.b) Spatter noted throughout parent pipe and weld area requires further cleaningc) Spatter noted in one or two areas, acceptable for application of coatingd) Very heavy spatter noted, cap run requires grinding flush before the application of the

coatinge) 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) 40 to 60mmc) 18 to 20mmd) > 120mme) 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) < 3.0mmb) 7mmc) Flushd) > 3.5mme) 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) Heavy mill scale noted requires further cleaninge) 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) > 130mm accumulative lengthb) < 10 mm, < 1.5mm 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) 18 to 20mm in total lengthb) > 30mm in 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) All sharpb) Accumulative length 70 to 75mmc) > 130mm accumulative length d) None of the abovee) Acceptf) Reject

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

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