ISO 5817 Visual Inspection of Welds Quiz
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Questions and Answers

What is the maximum magnification for examining imperfections per EN ISO 5817?

  • 20X
  • 5X
  • 10X (correct)
  • 15X

    • What is the role of an inspector regarding the size, length, and location of welds?

  • Ensure conformity to drawing requirements (correct)
  • Perform weld measurements
  • Apply acceptance criteria to welds
  • Provide engineering approval for weld additions

    • When are limits for multiple imperfections applicable per EN ISO 5817?

  • Only for cases where requirements for a single imperfection are not exceeded (correct)
  • Only for visual aids-assisted examinations
  • Always
  • Never

    • What are inspectors required to check regarding the size and contour of welds?

    <p>Check conformity to drawing requirements</p> Signup and view all the answers

    What is the purpose of visual aids in welding inspection per ISO 5817?

    <p>To enhance examination of irregularities</p> Signup and view all the answers

    What is the extent of examination required for welds per ISO 5817?

    <p>Examine all welds to assure conformity to drawing requirements and acceptance criteria</p> Signup and view all the answers

    What is the Quality Level for acceptance criteria in EN ISO 5817 mentioned in the text?

    <p>Quality Level B</p> Signup and view all the answers

    What is the focus of the application of visual welding inspection mentioned in the text?

    <p>Steel components for lift trucks</p> Signup and view all the answers

    What is the purpose of fillet weld measurement?

    <p>To determine the size of the inscribed triangle within the fillet weld cross-section</p> Signup and view all the answers

    What is the defining characteristic of a convex fillet weld?

    <p>The weld face extends outward from the weld toes</p> Signup and view all the answers

    What feature limits the maximum size of the inscribed triangle in a convex fillet weld?

    <p>Leg length</p> Signup and view all the answers

    What is the primary factor used to measure the size of a convex fillet weld?

    <p>Leg length</p> Signup and view all the answers

    What is the primary purpose of fillet weld gages?

    <p>To measure the size of the inscribed triangle in fillet welds</p> Signup and view all the answers

    What does the term 'right isosceles triangle' mean in the context of fillet weld size?

    <p>A triangle with two sides of equal length and one 90° angle</p> Signup and view all the answers

    What is the primary characteristic of a concave fillet weld?

    <p>The weld face is dished in toward the weld root</p> Signup and view all the answers

    What feature of the fillet weld cross-section determines the measurement technique for fillet weld size?

    <p>The shape of the fillet weld (convex or concave)</p> Signup and view all the answers

    What is the meaning of fillet weld size for equal leg fillet welds?

    <p>The leg lengths of the largest isosceles right triangle that can be inscribed within the fillet weld cross section</p> Signup and view all the answers

    What determines the different shapes of gages required to measure fillet weld profiles?

    <p>The shape of the fillet weld (convex or concave)</p> Signup and view all the answers

    What is the primary purpose of measuring fillet weld size?

    <p>To ensure the weld meets specified dimensional criteria</p> Signup and view all the answers

    What is the primary factor used to measure the size of a concave fillet weld?

    <p>Leg length</p> Signup and view all the answers

    What is the primary characteristic of a convex fillet weld?

    <p>It is wider than it is tall</p> Signup and view all the answers

    What is the primary factor used to measure the size of a convex fillet weld?

    <p>Leg length</p> Signup and view all the answers

    What is the primary factor used to measure the size of a concave fillet weld?

    <p>Throat thickness</p> Signup and view all the answers

    What is the primary purpose of measuring fillet weld size?

    <p>To ensure structural integrity</p> Signup and view all the answers

    What is the Quality Level for acceptance criteria in EN ISO 5817 mentioned in the text?

    <p>Quality Level B</p> Signup and view all the answers

    What is the maximum magnification for examining imperfections per EN ISO 5817?

    <p>10x</p> Signup and view all the answers

    When are limits for multiple imperfections applicable per EN ISO 5817?

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

    What is the extent of examination required for welds per ISO 5817?

    <p>100% examination</p> Signup and view all the answers

    What is the purpose of visual aids in welding inspection per ISO 5817?

    <p>To assist in identifying imperfections</p> Signup and view all the answers

    What are inspectors required to check regarding the size and contour of welds?

    <p>Both size and contour</p> Signup and view all the answers

    What is the maximum size of the inscribed triangle in a convex fillet weld?

    <p>$\frac{3}{8}$ inch</p> Signup and view all the answers

    What is the defining characteristic of a concave fillet weld?

    <p>It is taller than it is wide</p> Signup and view all the answers

    What is the defining characteristic of porosity in welds?

    <p>Formation by trapped gas during solidification</p> Signup and view all the answers

    What does undercut refer to in welding?

    <p>Groove melted into the base metal adjacent to the weld toe or root</p> Signup and view all the answers

    What is the protrusion of weld metal beyond the weld toe or root referred to as?

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

    What does convexity in fillet welds refer to?

    <p>Specific acceptance criteria for maximum permitted dimensions</p> Signup and view all the answers

    What is the excess weld metal in butt welds referred to as?

    <p>Weld reinforcement</p> Signup and view all the answers

    What is the groove melted into the base metal adjacent to the weld toe or root referred to as?

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

    What is the cavity-type weld discontinuity formed by trapped gas during solidification referred to as?

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

    What does underfill refer to in welding?

    <p>Incompletely filled groove weld condition</p> Signup and view all the answers

    What is the protrusion of weld metal beyond the weld toe or root referred to as?

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

    What does convexity in fillet welds refer to?

    <p>Specific acceptance criteria for maximum permitted dimensions</p> Signup and view all the answers

    What is the excess weld metal in butt welds referred to as?

    <p>Weld reinforcement</p> Signup and view all the answers

    What is the groove melted into the base metal adjacent to the weld toe or root referred to as?

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

    What is the primary characteristic of a convex fillet weld?

    <p>It has a convex profile</p> Signup and view all the answers

    What is the primary characteristic of a concave fillet weld?

    <p>It has a concave profile</p> Signup and view all the answers

    What is the defining characteristic of porosity in welds?

    <p>Trapped gas pockets</p> Signup and view all the answers

    What is the protrusion of weld metal beyond the weld toe or root referred to as?

    <p>Excess weld metal</p> Signup and view all the answers

    What is the extent of examination required for welds per ISO 5817?

    <p>As specified in the standard based on the quality level</p> Signup and view all the answers

    What is the primary purpose of fillet weld measurement?

    <p>To determine the size and strength of the weld</p> Signup and view all the answers

    What is the maximum magnification for examining imperfections per EN ISO 5817?

    <p>10x</p> Signup and view all the answers

    What is the cavity-type weld discontinuity formed by trapped gas during solidification referred to as?

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

    What is the Quality Level for acceptance criteria in EN ISO 5817 mentioned in the text?

    <p>Quality Level B</p> Signup and view all the answers

    What is the purpose of visual aids in welding inspection per ISO 5817?

    <p>To enhance the visibility of imperfections</p> Signup and view all the answers

    What does undercut refer to in welding?

    <p>A groove melted into the base metal adjacent to the weld toe or root</p> Signup and view all the answers

    What is the primary factor used to measure the size of a concave fillet weld?

    <p>The depth of the weld</p> Signup and view all the answers

    Study Notes

    Visual Inspection of Welds According to ISO 5817

    • Porosity is a cavity-type weld discontinuity formed by trapped gas during solidification, with types such as isolated, scattered, piping, elongated, aligned, and cluster.
    • Acceptance criteria for porosity according to EN ISO 5817 includes maximum single pore size and maximum cluster diameter, with different limits for weld width.
    • Undercut is a groove melted into the base metal adjacent to the weld toe or root, with specific acceptance criteria for maximum depth according to EN ISO 5817 and AWS D14.4.
    • Underfill refers to incompletely filled groove weld condition, with acceptance criteria for maximum depth according to EN ISO 5817 and AWS D14.4.
    • Overlap is the protrusion of weld metal beyond the weld toe or root, with EN ISO 5817 not permitting overlap and AWS D14.4 allowing none.
    • Convexity in fillet welds has specific acceptance criteria for maximum permitted dimensions according to EN ISO 5817 and no limit according to AWS D14.4, controlled by the limit on toe reentrant angle.
    • Weld reinforcement is the excess weld metal in butt welds, with specific acceptance criteria based on the angle of reinforcement for both EN ISO 5817 and AWS D14.4.
    • Arc strike is a discontinuity resulting from an arc, with specific characteristics and associated processes.
    • Visual inspection of welds according to ISO 5817 includes the evaluation and measurement of different discontinuities and weld conditions using specific tools and criteria.
    • Different acceptance criteria and limits for various discontinuities and weld conditions are outlined in ISO 5817 and AWS D14.4, providing standards for weld quality assessment.
    • The evaluation of welds according to ISO 5817 involves understanding the specific characteristics and measurement methods for different discontinuities and weld conditions.
    • ISO 5817 sets specific standards and criteria for the visual inspection and evaluation of weld discontinuities and conditions, providing guidelines for assessing weld quality.

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    Description

    Test your knowledge of visual inspection of welds according to ISO 5817 with this quiz. Explore the acceptance criteria, specific discontinuities, and measurement methods outlined in the standard, and assess your understanding of weld quality assessment.

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