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Safety & Welding Standards Flashcards

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

Read the first 7 Safety & Welding Standards flashcards as text

  1. AWS D1.1 requires that welder qualification test plates be welded in the position that:

    Answer: Includes all positions the welder will use in production

    AWS D1.1 mandates that qualification tests cover the actual or more difficult positions that will be encountered during production welding.

  2. According to OSHA 29 CFR 1910.252, welding screens or shields must be used primarily to protect:

    Answer: Nearby workers from arc flash and radiation

    Welding screens are required to shield nearby workers and bystanders from harmful UV/IR radiation and arc flash produced during welding.

  3. What is the maximum oxygen concentration (by volume) that AWS Z49.1 permits in a confined space before entry is considered safe?

    Answer: 19.5%–23.5%

    AWS Z49.1 and OSHA define a safe oxygen atmosphere in confined spaces as between 19.5% and 23.5% by volume.

  4. In AWS D1.1, the term 'essential variable' in a Welding Procedure Specification (WPS) refers to a variable whose change:

    Answer: Requires a new procedure qualification test (PQR)

    Changing an essential variable in a WPS invalidates the existing PQR and requires re-qualification with new mechanical testing.

  5. Which AWS filler metal specification covers carbon steel electrodes for shielded metal arc welding?

    Answer: AWS A5.1

    AWS A5.1 is the specification for carbon steel electrodes for SMAW (e.g., E6010, E7018 classifications).

  6. Under AWS safety guidelines, what action must be taken if a welder notices a defective or cracked electrode holder?

    Answer: Remove the holder from service immediately

    Defective electrode holders present an electric shock hazard and must be removed from service immediately and replaced before welding continues.

  7. AWS D1.1 specifies that visual inspection of a weld must be performed by a Certified Welding Inspector (CWI) who holds certification through:

    Answer: AWS QC1 standard

    AWS QC1 is the Standard for AWS Certification of Welding Inspectors that governs CWI examination and certification requirements.