The 20 mm porosity limit applies to a weld length of which measurement?

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Study for the CSA Welded Steel Construction – Metal Arc Welding (W59) Welding Inspector Level 1 Test. Prepare with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

The 20 mm porosity limit applies to a weld length of which measurement?

Explanation:
Porosity is a defect whose acceptance is defined by how much porosity can exist within a certain length of weld. The standard sets a cap on the total length of porosity that can be found in a specified weld length. For this criterion, the specified weld length is 300 millimeters: within any 300 mm length of weld, the total porosity length must not exceed 20 mm. Therefore, the 20 mm porosity limit is applied to a 300 mm weld length. The other lengths don’t match the defined segment for this particular limit.

Porosity is a defect whose acceptance is defined by how much porosity can exist within a certain length of weld. The standard sets a cap on the total length of porosity that can be found in a specified weld length. For this criterion, the specified weld length is 300 millimeters: within any 300 mm length of weld, the total porosity length must not exceed 20 mm. Therefore, the 20 mm porosity limit is applied to a 300 mm weld length.

The other lengths don’t match the defined segment for this particular limit.

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