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Welding Codes and Standards Flashcards

7 cards from real Certified Welder practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Welding Codes and Standards flashcards as text

  1. What is the primary purpose of a Welding Procedure Specification (WPS)?

    Answer: To provide direction to the welder for making code-compliant welds

    A WPS provides the welding variables and instructions needed to consistently produce welds that meet code requirements.

  2. Under AWS D1.1, what radiographic quality level (image quality indicator) must be used when performing RT on structural welds?

    Answer: 2-2T

    AWS D1.1 requires 2-2T radiographic quality level, meaning the 2% wire or hole must be visible on the radiograph.

  3. According to ASME B31.3 (Process Piping), what examination category requires 100% radiography of welds?

    Answer: Severe cyclic conditions

    ASME B31.3 requires 100% radiography for severe cyclic service conditions due to the heightened fatigue demands.

  4. What does the 'F-number' classification system in ASME Section IX represent?

    Answer: Grouping of filler metals for welder qualification

    F-numbers group filler metals by their usability characteristics so that qualifying with one filler covers others with the same F-number.

  5. Under AWS D1.1, the maximum overlap of the weld reinforcement on a groove weld in the flat position shall not exceed:

    Answer: 1/8 inch (3.2 mm)

    AWS D1.1 allows a maximum weld reinforcement of 1/8 inch for groove welds regardless of position.

  6. Which of the following is an 'A-number' used to classify in ASME Section IX?

    Answer: Deposited weld metal analysis

    A-numbers classify the chemical composition of deposited weld metal for procedure qualification purposes.

  7. What is the significance of the 'H4R' suffix on a low-hydrogen electrode classification (e.g., E7018-H4R)?

    Answer: The electrode diffusible hydrogen is ≤4 mL/100g and it is moisture-resistant

    H4R indicates diffusible hydrogen content of ≤4 mL per 100g of deposited weld metal and 'R' means moisture-resistant (tested after 9-hour exposure).