X-ray tolerance.
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Questions and Answers

Using radiography, which of the following makes IP a defect on a 6” weld on a 8” OD Pipe.

  • a individual IP of 5/8
  • a indication of IP of 1/16, 1/4
  • a indication of IP of 1/16, 2/32 , 1/16
  • none of the above (correct)

    • Using radiography, which of the following makes IP a defect on a 3 OD pipe sch40 with a wall thickness of 1/2.

  • a individual IP of 4/8
  • a indication of IP of 1/16, 1/4
  • a indication of IP of 1/16, 5/32 , 3/16
  • a indication of IP of 2/8 , 1/2 , 1/16 (correct)

    • Using radiography, which of the following makes IP a defect on a 14” length of weld on a 14” OD Pipe.

  • a individual IP of 4/8
  • a indication of IP of 1/16, 1/4
  • a indication of IP of 1/16, 5/32 , 5/16
  • a indication of IP of 2/8 , 1/2 , 5/16 (correct)

    • Using radiography, which of the following makes IP a defect on a 3.5” OD Pipe.

    <p>None of the above.</p> Signup and view all the answers

    Using radiography, which of the following makes IPD a defect on a 3.5” OD Pipe.

    <p>a indication of IPD of 2” 1/16</p> Signup and view all the answers

    Using radiography, which of the following makes IPD a defect on a 6” OD Pipe.

    <p>a indication of IPD of 1” , 1/2” and 2”</p> Signup and view all the answers

    Using radiography, which of the following makes ICP a defect on a 8” OD Pipe.

    <p>All of the above</p> Signup and view all the answers

    Using radiography, which of the following makes IPD a defect on a 2.5” OD Sch80 Pipe with a wall thickness of 1/4.

    <p>None of the above.</p> Signup and view all the answers

    Using radiography, which of the following makes IFD a defect on a 2.5” OD Sch80 Pipe with a wall thickness of 1/4.

    <p>a indication of IFD of 1/8, 1/2 ,1/16</p> Signup and view all the answers

    Using radiography, which of the following makes IFD a defect on a 2.5” OD Sch80 Pipe with a wall thickness of 1/4.

    <p>a indication of IFD of 2/8, 1/2</p> Signup and view all the answers

    Using radiography, which of the following makes IP defect on a 8” OD Sch80 Pipe with a wall thickness of 1/4

    <p>an indication of IP of 1” 1/16</p> Signup and view all the answers

    Using radiography, which of the following makes IF a defect on a 8” OD Sch80 Pipe with a wall thickness of 1/4.

    <p>None of the above</p> Signup and view all the answers

    Using radiography, which of the following makes IC a defect on a 8” OD Sch80 Pipe with a wall thickness of 1/4 & 1/2

    <p>2 density reading of 1/8, &amp; 1/2</p> Signup and view all the answers

    Using radiography, which of the following makes a defect on a 8” OD Sch80 Pipe with a wall thickness of 1/4.

    <p>a indication of IP of 5/8” and 9/16”</p> Signup and view all the answers

    Using radiography, which of the following makes IF a defect on a 2.5” OD Sch80 Pipe with a wall thickness of 1/4.

    <p>a indication of IF of 6/8”</p> Signup and view all the answers

    Study Notes

    Defect Criteria for Radiography

    • Interruption of Penetration (IP) is considered a defect if it disrupts the penetration of the weld by 25% or more on a 6” weld on an 8” OD pipe.
    • Interruption of Penetration (IP) is considered a defect if it disrupts the penetration of the weld by 25% or more on a 3” OD pipe with a 1/2 wall thickness.
    • Interruption of Penetration (IP) is considered a defect if it disrupts the penetration of the weld by 25% or more on a 14” length of weld on a 14” OD pipe.
    • Interruption of Penetration (IP) is considered a defect if it disrupts the penetration of the weld by 25% or more on a 3.5” OD pipe.
    • Incomplete Penetration (IPD) is considered a defect if it disrupts the penetration of the weld by 25% or more on a 3.5” OD pipe.
    • Incomplete Penetration (IPD) is considered a defect if it disrupts the penetration of the weld by 25% or more on a 6” OD pipe.
    • Incomplete Penetration (ICP) is considered a defect if it disrupts the penetration of the weld by 25% or more on an 8” OD pipe.
    • Incomplete Penetration (IPD) is considered a defect if it disrupts the penetration of the weld by 25% or more on a 2.5” OD Sch80 pipe with a 1/4 wall thickness.
    • Incomplete Fusion (IFD) is considered a defect if it disrupts the fusion of the weld by 25% or more on a 2.5” OD Sch80 pipe with a 1/4 wall thickness.
    • Incomplete Fusion (IFD) is considered a defect if it disrupts the fusion of the weld by 25% or more on a 2.5” OD Sch80 pipe with a 1/4 wall thickness.
    • Interruption of Penetration (IP) is considered a defect if it disrupts the penetration of the weld by 25% or more on an 8” OD Sch80 pipe with a 1/4 wall thickness.
    • Incomplete Fusion (IF) is considered a defect if it disrupts the fusion of the weld by 25% or more on an 8” OD Sch80 pipe with a 1/4 wall thickness.
    • Incomplete Crater (IC) is considered a defect on an 8” OD Sch80 pipe with a 1/4 & 1/2 wall thickness if it disrupts the weld by 25% or more.
    • Interruption of Fusion (IF) is considered a defect if it disrupts the fusion of the weld by 25% or more on a 2.5” OD Sch80 pipe with a 1/4 wall thickness.

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