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Welder Red Seal · Question

On a blueprint, a fillet weld symbol is shown with '3/8' to its left and '3-5' to its right. What does the '3-5' dimension represent?

For an intermittent fillet weld, the dimensions to the right of the symbol denote the length of each weld segment (3 inches) and the pitch, which is the center-

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Question: On a blueprint, a fillet weld symbol is shown with '3/8' to its left and '3-5' to its right. What does the '3-5' dimension represent?

Answer options:

  • The root opening is 3mm and the groove angle is 5 degrees ✅ The weld length is 3 inches and the pitch (center-to-center spacing) is 5 inches
  • The weld should be made in 3 to 5 passes
  • The effective throat is 3mm and the leg size is 5mm

Correct answer: The weld length is 3 inches and the pitch (center-to-center spacing) is 5 inches

Explanation: For an intermittent fillet weld, the dimensions to the right of the symbol denote the length of each weld segment (3 inches) and the pitch, which is the center-to-center distance between segments (5 inches).

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