W47.1 Part3
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Questions and Answers

What documentation can be provided to verify a welder’s ability to deposit sound weld metal consistently?

  • Supervisor's recommendation letter
  • Radiographs, UT, MT, RT, or Macro-etch reports (correct)
  • Welder's testimony
  • Visual inspection reports
  • How long can robotic welding operators extend their qualifications for if their qualifications have not expired?

  • Six months
  • Two years (correct)
  • One year
  • Three years
  • What is the extent of qualification for welding personnel qualifying on specific test assemblies?

  • Welding materials 1/4 in and above
  • Welding materials 3 mm and above (correct)
  • Welding materials 1/8 in and above
  • Welding materials 5 mm and above
  • Under what conditions can welders be granted an exemption from the two-year check testing requirement?

    <p>Continued use of the process in the class held and maintenance of requisite skills</p> Signup and view all the answers

    What is required for welders using a steel washer to prevent burnback?

    <p>Separate qualification is not required for them</p> Signup and view all the answers

    What does the transferable qualification identification document for welders need to indicate?

    <p>The qualification was made with a washer</p> Signup and view all the answers

    What qualifies a welder for a specific arc spot welding procedure?

    <p>Successfully completing an arc spot welding procedure qualification test</p> Signup and view all the answers

    What is the validity period of nontransferable qualification identification documents for successful alternative qualifications?

    <p>Two years</p> Signup and view all the answers

    When are companies allowed to qualify welders and welding operators for specific positions only?

    <p>When the qualification is nontransferable</p> Signup and view all the answers

    What does the CWB issue to welding personnel who pass qualification tests?

    <p>Qualification and expiry dates, welding process, position, material limitations, and test results</p> Signup and view all the answers

    What are robotic welding personnel qualified for when they qualify on specific test assemblies?

    <p>Welding materials 3 mm and above</p> Signup and view all the answers

    What may be submitted for approval by the CWB if designated assemblies are not applicable?

    <p>Alternative welder or welding operator test assembly configurations</p> Signup and view all the answers

    What is the requirement for welding personnel in terms of the classification, class, thickness range, and process?

    <p>They must weld only in the classification, class, thickness range, and process in which they have been qualified</p> Signup and view all the answers

    What does the CWB issue in exceptional circumstances as qualification identification documents?

    <p>A letter</p> Signup and view all the answers

    What must welding personnel use to qualify for stainless steel welding?

    <p>Test assemblies specified in Annex K</p> Signup and view all the answers

    What is the requirement for alternative welder or welding operator test assembly configurations?

    <p>They need to be submitted for approval by the CWB</p> Signup and view all the answers

    What angle should the pipe be inclined at for welding in the 6G position?

    <p>45° angle to the horizontal</p> Signup and view all the answers

    What is the specified minimum yield point of the base material for qualification?

    <p>250 MPa (36 ksi)</p> Signup and view all the answers

    Which positions must welding personnel demonstrate their ability in to qualify?

    <p>Flat, horizontal, vertical, and overhead</p> Signup and view all the answers

    What types of welding tests do welding personnel need to perform in qualifying positions?

    <p>Fillet welds and groove plus fillet welds</p> Signup and view all the answers

    How can welders qualify for a higher class within one classification?

    <p>By performing the required tests for the higher qualification</p> Signup and view all the answers

    What is the extent of validity of a qualification with a given F group designation of electrodes for shielded metal arc welding?

    <p>Specified in Table 1</p> Signup and view all the answers

    Under what conditions can welders qualified for vertical-up welding avoid separate qualification for vertical-down progression?

    <p>Under specific conditions as mentioned in the text</p> Signup and view all the answers

    How are welding personnel classified?

    <p>T, S, FW, WT</p> Signup and view all the answers

    What is the maximum specified yield point for the base material for qualification?

    <p>345 MPa (50 ksi)</p> Signup and view all the answers

    What is the qualification requirement for welders using a different electrode for the first pass with the F4 electrode group designation?

    <p>They need to requalify for the specific sequence</p> Signup and view all the answers

    What are the classifications of welding personnel?

    <p>T, S, FW, WT</p> Signup and view all the answers

    What are the separate qualifications needed for by welders qualified for vertical-up welding?

    <p>Separate qualification for vertical-down progression</p> Signup and view all the answers

    What must welding qualification records document?

    <p>Each process used during the qualification test, along with the sequence of use</p> Signup and view all the answers

    Which welding process includes short-circuiting, globular, spray, and pulsed arc modes?

    <p>GMAW</p> Signup and view all the answers

    What must electrodes used for the test be certified to?

    <p>The requirements of the latest edition of CSA W48</p> Signup and view all the answers

    How many options are offered for S classification test assemblies?

    <p>Three</p> Signup and view all the answers

    What specific requirements exist for tack welds, fillet welds, and groove welding in plate test assemblies?

    <p>Specific requirements and dimensions exist</p> Signup and view all the answers

    What should be the typical contour of the back gouged groove for S qualification using Option 3?

    <p>U-shaped</p> Signup and view all the answers

    What will result in test assembly failure during strict visual examination of back pass welding?

    <p>Excessive material removal</p> Signup and view all the answers

    What are the criteria for the surface of the back gouged groove?

    <p>No evidence of cracks, visible lack of fusion, or inclusions exceeding specific dimensions</p> Signup and view all the answers

    Which positions have specific joint configurations and welding positions for pipe test assemblies?

    <p>1G, 2G, and 5G</p> Signup and view all the answers

    Qualification in the 2G position also qualifies for which other position?

    <p>1G</p> Signup and view all the answers

    What orientations and rotation requirements exist for making flat, vertical, overhead, and horizontal welds in different pipe welding positions?

    <p>Specific welding axis orientations and rotation requirements exist</p> Signup and view all the answers

    What does the text include licensing and distribution information for?

    <p>CSA W47.1:19</p> Signup and view all the answers

    What type of welding process allows qualification with a self-shielded electrode to also qualify for all flux-cored and metal-cored gas-shielded electrodes?

    <p>Flux-Cored Arc Welding (FCAW)</p> Signup and view all the answers

    What type of examination is required for welds subject to testing and must meet acceptance criteria detailed in Table 21?

    <p>Radiographic examination</p> Signup and view all the answers

    In which welding process may radiographic examination only be used at the company's discretion, with bend tests being the primary testing method?

    <p>Gas Metal Arc Welding (GMAW)</p> Signup and view all the answers

    What is required for the reinforcement to be suitable for radiographic examination?

    <p>It must be substantially flat and smooth</p> Signup and view all the answers

    What standard must the permitted imaging system, procedure, and technique for radiography be in accordance with?

    <p>CSA W59</p> Signup and view all the answers

    Who must be qualified according to regulatory requirements to perform radiography on welder and welding operator qualification test assemblies?

    <p>Personnel performing the radiography</p> Signup and view all the answers

    Under what condition may root-bend tests be conducted?

    <p>When radiographic examination indicates lack of fusion</p> Signup and view all the answers

    What is the requirement for the portion of the plate assembly subject to quality appraisal for radiographic examination?

    <p>It must be free of any coatings</p> Signup and view all the answers

    What should the backing be like for the radiographic examination?

    <p>It must be removed</p> Signup and view all the answers

    What is the extent of validity of a qualification with a given F group designation of electrodes for shielded metal arc welding?

    <p>2 years</p> Signup and view all the answers

    What specific procedures and criteria are outlined for root- and face-bend specimens, and macro-etch specimens for fillet weld test assemblies?

    <p>AWS D1.1</p> Signup and view all the answers

    What is necessary before welding the groove in certain cases?

    <p>Visual inspection of the fillet weld</p> Signup and view all the answers

    Study Notes

    Welding Qualification Test Procedures and Requirements

    • Welder’s or welding operator’s qualification records must document each process used during the qualification test, along with the sequence of use.
    • GMAW process includes short-circuiting, globular, spray, and pulsed arc modes, and a change in these modes requires separate qualification.
    • Electrodes used for the test must be certified to the requirements of the latest edition of CSA W48 or appropriate standards in the AWS A5 Series of Standards.
    • Test assemblies for S classification offer three options, with additional fillet weld qualification required for options 2 and 3.
    • Specific requirements and dimensions exist for tack welds, fillet welds, and groove welding in plate test assemblies.
    • For S qualification using Option 3, the back gouged groove contour should typically be U-shaped, with uniform depth and width.
    • Strict visual examination and criteria are in place for back pass welding, with excessive material removal resulting in test assembly failure.
    • Criteria for the surface of the back gouged groove include no evidence of cracks, visible lack of fusion, or inclusions exceeding specific dimensions.
    • Pipe test assemblies have specific joint configurations and welding positions, with different procedures for 1G, 2G, and 5G positions.
    • Qualification in the 2G position also qualifies for the 1G position, and one pipe assembly may be used for qualifying in both 1G and 2G classes.
    • Specific welding axis orientations and rotation requirements exist for making flat, vertical, overhead, and horizontal welds in different pipe welding positions.
    • The text includes licensing and distribution information for CSA W47.1:19 Certification of companies for fusion welding of steel.

    Welding Qualifications and Testing Procedures

    • Welding personnel qualified with a certified electrode and shielding medium combination can weld with any other certified electrode and shielding medium combination for the process used in the qualification.
    • For FCAW process, qualification with self-shielded electrode also qualifies for all flux-cored and metal-cored gas-shielded electrodes, and vice versa.
    • Welding on galvanized surfaces requires separate qualification, with specific test assembly requirements.
    • Visual inspection of the fillet weld is necessary before welding the groove in certain cases.
    • Radiographic examination is required for welds subject to testing and must meet acceptance criteria detailed in Table 21.
    • Radiographic examination may be used at the company's discretion for all processes except for semiautomatic GMAW, where only bend tests may be used.
    • Root-bend tests may be conducted if radiographic examination indicates lack of fusion at the junction between plates and backing.
    • Radiographic examination has specific requirements for the portion of the plate assembly subject to quality appraisal, varying by welding processes.
    • The reinforcement for radiographic examination must be substantially flat and smooth, and the backing need not be removed.
    • Permitted imaging system, procedure, and technique for radiography must be in accordance with CSA W59.
    • Personnel performing radiography on welder and welding operator qualification test assemblies must be qualified according to regulatory requirements.
    • Specific procedures and criteria are outlined for root- and face-bend specimens, and macro-etch specimens for fillet weld test assemblies.

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    Description

    Test your knowledge of welding qualification test procedures and requirements with this quiz. Explore topics such as welding process qualifications, electrode certification, test assembly requirements, visual and radiographic inspections, and more. Whether you're a welder, welding operator, or simply interested in welding qualifications, this quiz will put your knowledge to the test.

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