CSWIP 3.1 Training Questions for Plate Sample Training 5.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) < 1.5mmb) > 5.0mmc) 4.0 mm to 5.0mmd) 2.5 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) Good Toe bend and surface profilec) 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) Length 30mm to 40mm associated with lack of side wall fusionc) Length < 15mm associated with lack of side wall fusiond) Length < 15mm not associated with lack of side wall fusione) 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) 25mm to 30mm in lengthb) >15 mm in lengthc) < 10mmd) No slag inclusions visiblee) 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 > 50mm, all sharpb) Accumulative length > 50mm both smooth and sharpc) Accumulative length < 50mm all smooth d) No cap undercut visible.e) 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) Maximum depth < 0.5mmb) Maximum depth > 2.0mmc) Maximum depth 1.5mmd) 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 > 3mm one areab) ø < 2.0mm numerous areasc) ø < 0.5mm one aread) No porosity detected visuallye) 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 visibleb) Two arc strikes visiblec) Three arc strikes visibled) No arc strikes visible.e) Acceptf) Reject

9. With reference to cracking which of the following best matches your findings and would you accept or reject your findingsa) Longitudinal crack 10 to 12mm in length.b) Longitudinal crack < 5mm in length.c) Transverse crack < 5mm in length.d) No crack visible.e) Acceptf) Reject

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10. With reference mechanical damage, which of the following best matches your assessment and would you accept or reject your findingsa) No mechanical damage visibleb) Hard stamping and light grinding visiblec) Heavy grinding throughoutd) Chipping marks and heavy grinding throughoute) Acceptf) Reject

The Weld Root

11. With reference to lack of root fusion, which of the following best matches your assessment of the total accumulative length and is it acceptable or rejectable.a) > 22mmb) 15mm to 19mmc) < 5mmd) None visually detectede) Acceptf) Reject

12. With reference to plate misalignment which of the following best matches your visual assessment of the plate samplea) > 2.5mmb) < 1.5mmc) < 0.5mmd) 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) 5.0mmb) Flush root.c) < 4.0mmd) <2.5mme) 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) Light grinding throughoutb) Mechanical damage plus tack weld visiblec) The parent material condition is generally clean throughoutd) Heavy mechanical damage in excess of 2mm in depth.e) 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) One visible > 12 in diameterd) Two visible not exceeding 12mm 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) 48 to 51mm accumulative length, < 1mm depthb) < 10 mm, 2mm depthc) One area 65 to 69mm 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) Crater pipe/shrinkage visible, recommend MT/PT inspection.e) 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) 17 to 21mm in total lengthb) No lack of root penetration visually detectedc) 11 to 13mm in lengthd) None of the abovee) Acceptf) Reject

19. With reference to root undercut which of the following best matches your findings and would you accept or reject your findingsa) Accumulative length 6 to 10mm b) Accumulative length 15 to 20mmc) No root undercut visibled) None of the abovee) Acceptf) Reject

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

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