CSWIP 3.1 Training Questions for Plate 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

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The Weld Face.

1. What is the maximum cap height found on your sample and would you accept or reject your findings?a) < 1.5mmb) 1.0mmc) 3.0 mmd) > 3.5 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 > 100mmc) 80mm 95mm in lengthd) 20mm to 70mm 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) 25mm 30mm in lengthb) 50 to 60 mm in lengthc) < 5mmd) 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 75mm all sharpb) Accumulative length > 75mm, both sharp and smoothc) No cap undercut visually detectedd) Accumulative length < 50mm both sharp and smoothe) 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 < 0.5mmb) Depth > 2.5mmc) Maximum depth approximately 2.0mmd) 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 1.0mmb) ø > 1.0mmc) ø < 0.5mmd) 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) Arc strikes in one area visibleb) Arc strikes in two area’s visiblec) Arc strikes in three area’s 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 to angular distortion, which of the following best matches your assessment and would you accept or reject your findings (measure from the weld center to the plate edge)a) 5mm to 7mmb) > 3.0mm c) < 1.0mmd) None observede) 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 accept or reject.a) > 10mmb) 5 to 8mmc) < 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) 1.0mm to 2.0mmc) < 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) 5.5mmc) < 3.0mmd) 4.0mme) 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) Grinding marks plus tack weld require dressing.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) 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) < 60 mm accumulative length, < 1mm depthb) > 60mm accumulative length, < 1mm 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) 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) 18 to 20mm in total lengthb) < 5.0mm in lengthc) 12 to 15mm 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) Max depth <2.0mmb) Accumulative length 15 to 18mmc) No root undercut observedd) None of the abovee) Acceptf) Reject

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

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