answers drawing c

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Copyright © 2003 TWI Ltd

SWI 3.2

Answers Drawing CBS EN 22553

Course Reference WIS 10

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SWI 3.2

Remember in the CSWIP 3.2 Senior Welding Inspectors

examination your are required to interpret a fabrication

drawing and comment on the welding symbols

Time allowed 1 hour

The drawing will contain around 15 to 20

symbols

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SWI 3.2

Drawings and Weld Symbol InterpretationDrawings and Weld Symbol Interpretation

With the supplied drawing you are required to carry out the

following

1. Reference the drawing number onto your answer sheet

2. Specify the standard to which the weld symbols apply

3. Produce a neat sketch of how you see the welds,

numbering each weld individually.

4. Fully describe each weld symbol, example

Welded arrow side: Single-V butt

Welded other side: Sealing run.

5. On completion of the welding symbol interpretation, you

are then required to comment on the drawing with

reference to errors and incorrect set-ups

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SWI 3.2

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SWI 3.2

1. Welded arrow side: Single-J butt, flat (flush) finish.Welded other side: 12mm leg length fillet weld.

2. Welded arrow side: Single-bevel butt partial penetration, depth of preparation 25mm.Welded other side: 6mm leg length fillet weld, welded all way around, Drawing indicates the pipe to be prepared incorrect set-up

3. Welded both sides: 12mm leg length fillet weld, toes blended smooth, welded all way round (peripheral weld). After welding is completed MT to be carried out.

4. Welded arrow side: Single-bevel butt weld, smooth finish.Welded other side: 12mm leg length fillet weld.

BS EN 22553 Answers DRG C

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SWI 3.2

5. Welded both sides: Double-bevel butt weld with a broad root face, A.1 reference symbol indicates specific instructions e.g. procedure sheet.

6. Welded arrow side: Single-J butt depth of preparation 50mm with a 35mm leg length fillet weld superimposed, toes shall be blended smoothWelded other side: 8mm leg length fillet weld

7. Welded arrow side: Steep-flanked single-bevel butt with a 12mm leg length fillet weld superimposed.Welded other side: 12mm leg length fillet weld.

8. Welded arrow side: Steep flanked single-bevel butt flush finish


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SWI 3.2

9. Welded arrow side: Square butt, site or field weld.

10. Welded arrow side: Surfacing weld (hard facing).

11. Welded arrow side: Single-J butt with a 25mm leg length fillet weld superimposed, reference symbol indicates specific instruction.

12. Welded arrow side: Double bevel butt weld, 16mm leg length fillet weld superimposed, weld to be made all way around component.Note: fillet weld should be placed on other side.


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SWI 3.2

13. Welded both sides: Five fillet welds 8mm leg lengths, Length of each weld 20mm distance between each weld 20mm

14. Welded arrow side: 35mm leg length fillet weld concave profile

15. Welded arrow side: 12mm leg length, welded all way around part (peripheral) weld

16. Welded other side: 12mm leg length,concave profile welded all way around part (peripheral) weld

20 20 20

20 20 20


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SWI 3.2

17. Welded both sides: Double-bevel butt with a 12mm leg length fillet weld superimposed peripheral weld. After welding to be inspected with UT.

18. Welded both sides: Three 16mm leg length fillet welds, each weld 25mm in length, gap between each weld 50mm welds to be staggered.

19. Welded both sides: Three 12mm leg length fillet welds, each weld 50mm in length, To be welded with the MAG process.

20. Welded arrow side: Single-bevel butt weld with a 10mm leg length fillet weld superimposed, peripheral weld. After welding weld to be inspected with UT

25

25 50 25

50

50


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SWI 3.2

21. Welded both sides: Single-J butt, flush finish, peripheral weld

22. Welded arrow side: Steep-flanked single-V butt, flat (flush finish).Welded other side: Backing run flat (flush) finish, weld to be made all around the part welded using the MAG process

23. Welded both sides: Double-U butt weld, flat (flush finish peripheral weld.


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SWI 3.2

24. Welded arrow sides: Convex single-V butt weld with permanent backing strip.

25. Welded both sides: Concave fillet weld with 12mm leg lengths. MT inspection required.


answers drawing c

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