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Practical Visual Inspection Flashcards

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

Read the first 7 Practical Visual Inspection flashcards as text

  1. A visual inspector notices that a T-joint fillet weld has weld metal covering the base metal surface beyond the weld toe with no fusion. This is best described as:

    Answer: Overlap

    Overlap is the protrusion of unfused weld metal beyond the weld toe onto the base metal surface, acting as a mechanical notch.

  2. When using a fillet weld gauge (such as a bridge cam gauge), how do you measure the actual throat of a convex fillet weld?

    Answer: Use the gauge to measure from the weld root to the weld face along the theoretical throat line

    The actual throat is measured from the weld root perpendicular to the weld face; for a convex fillet, a bridge cam gauge measures this directly.

  3. During visual inspection of a structural steel weld, a CWI must verify that the joint preparation (groove angle and root opening) conforms to:

    Answer: The WPS and applicable code requirements

    Joint preparation must conform to the project's Welding Procedure Specification (WPS) and the applicable code, ensuring consistent weld quality.

  4. What characteristic of a weld profile indicates burn-through?

    Answer: A hole or complete melt-through of the base metal in the weld zone

    Burn-through is characterized by a hole or complete penetration of the base metal in the weld area, caused by excessive heat input.

  5. A CWI is inspecting a groove weld and finds that the weld shows visible porosity at a rate exceeding code limits. What is the appropriate action?

    Answer: Reject the weld and require removal and repair per applicable code

    When porosity exceeds code acceptance limits, the weld must be rejected, and the defective portion must be removed and repaired per the applicable repair procedure.

  6. Which type of weld crack runs parallel to the weld axis and is most commonly found in the weld metal or heat-affected zone?

    Answer: Longitudinal crack

    Longitudinal cracks run parallel to the weld axis and can occur in the weld metal or HAZ, often due to high residual stress or hydrogen embrittlement.

  7. Proper lighting conditions for visual weld inspection require a minimum illuminance of:

    Answer: 50 foot-candles (500 lux) at the examination surface

    AWS and most codes require a minimum of 50 foot-candles (approximately 500 lux) of illumination at the examination surface for reliable visual inspection.