API-577 Exam Details

  • Exam Code
    :API-577
  • Exam Name
    :Welding Inspection and Metallurgy
  • Certification
    :API Certifications
  • Vendor
    :API
  • Total Questions
    :110 Q&As
  • Last Updated
    :Jul 12, 2026

API API-577 Online Questions & Answers

  • Question 81:

    The weld symbol represents which type of weld groove?

    A. Parallel
    B. Scarf
    C. Flare
    D. Bevel

  • Question 82:

    What GMAW welding process uses carbon dioxide as the shielding gas, and is limited to the flat and horizontal position?

    A. Spray transfer
    B. Pulsed transfer
    C. Globular transfer
    D. Short circuiting transfer

  • Question 83:

    Mechanical tests are required to qualify a welding procedure to document that the properties of the weldment meet which of the following?

    A. The expected load for which the weld will be subject.
    B. The minimum established acceptance criteria.
    C. The requirements as established in ASME Section XI.
    D. The same criteria required for welder qualification.

  • Question 84:

    As a result of welding, metals with a high coefficient of thermal expansion are:

    A. More susceptible to distortion during welding.
    B. Less susceptible to cracking during welding.
    C. More susceptible to brittle fracture.
    D. Less susceptible to brittle fracture.

  • Question 85:

    Eddy current can be used to measure the:

    A. Thickness of parent metal below alloy metal claddings.
    B. Thickness of surface coatings or cladding thickness.
    C. Extent of bonding of coatings or claddings.
    D. Holidays in coatings or claddings.

  • Question 86:

    When verifying that the filler metal selection is appropriate for the base metal being welded, an inspector should consider:

    A. Chemical composition.
    B. Tensile strength to be higher than the base metal.
    C. Acceptability of physical properties.
    D. Need for postweld heat treatment (PWHT).

  • Question 87:

    To reduce exposure to moisture of low-hydrogen electrodes after they have been removed from the manufacturer's packaging, they should be stored:

    A. Under low humidity conditions.
    B. In warm holding ovens.
    C. In sealed plastic containers.
    D. In tightly sealed ovens.

  • Question 88:

    When welding using the shielded metal arc welding (SMAW) process, which of the following best describes the appearance of excessive penetration on a radiograph?

    A. A lighter density in the center of the width of the weld image, either extended along the weld or in isolated circular drops.
    B. An irregular darker density near the center of the width of the weld image along the edge of the root pass image.
    C. An abrupt density change across the width of the weld image with a straight longitudinal darker density line at the center of the width of the weld image along the edge of the density change.
    D. A localized darker density with fuzzy edges in the center of the width of the weld image.

  • Question 89:

    A-number groupings are based upon the:

    A. Chemical composition of the deposited weld metal.
    B. Comparable base metal ultimate strength values.
    C. Weldability characteristics of the metal.
    D. Type and strength of base metal.

  • Question 90:

    When radiographic examination is used for welder qualification utilizing the GMAW-S process, the minimum length of the test coupon to be examined is:

    A. Radiographic examination is not allowed.
    B. The entire weld circumference for pipe coupon.
    C. 36 in. for welder operator qualification.
    D. 6 in. for welder qualification.

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