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Repair and Refinishing Processes Flashcards

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

Read the first 7 Repair and Refinishing Processes flashcards as text
  1. Which welding process is most commonly recommended for joining high-strength steel (HSS) panels in modern vehicle repair?

    Answer: MIG (GMAW) welding

    MIG welding is the industry standard for HSS repairs because it produces less heat distortion and maintains panel strength.

  2. When performing a blend repair on a metallic base coat, the blending solvent is applied to:

    Answer: The adjacent panel edge after base coat application

    Blending solvent is applied to the feathered edge of the adjacent panel after base coat to soften and melt in the new color.

  3. What is the primary purpose of a seam sealer in structural repairs?

    Answer: To prevent corrosion and moisture intrusion at panel joints

    Seam sealer prevents water, air, and contaminants from entering panel joints, protecting against rust and structural degradation.

  4. When estimating the cost of refinishing a door jamb during a full door replacement, the estimator should:

    Answer: Always include jamb refinishing as a separate line item

    Door jamb refinishing is typically a separate, billable operation because it requires masking and additional labor beyond the outer panel.

  5. Which surface preparation step is critical before applying a two-stage urethane primer-surfacer?

    Answer: Scuffing or sanding to create mechanical adhesion

    Scuffing or sanding creates a mechanical profile that allows the primer-surfacer to bond properly to the substrate.

  6. Ultra-high-strength steel (UHSS) structural components are typically replaced rather than repaired because:

    Answer: Heat from welding or reshaping destroys their metallurgical properties

    UHSS is engineered to precise metallurgical specifications; heat from repairs alters the grain structure and eliminates its designed strength.

  7. A technician notices fish-eye defects appearing in the freshly sprayed base coat. The most likely cause is:

    Answer: Silicone contamination on the substrate

    Silicone contamination from polish or wax repels paint, causing the circular fish-eye craters in the finish.