When using infrared lamps to force-dry paint, which statement is TRUE?
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AThey work by creating a vacuum that extracts solvents
BThey heat the substrate, which then transfers heat to the paint film
CThey should be placed as close as possible to the surface
DThey should only be used for clearcoat, not basecoat
✓ Correct answer: B. They heat the substrate, which then transfers heat to the paint filmInfrared lamps heat the substrate directly, which then transfers heat to the paint film. This is more efficient than heating the air around the vehicle, as it focuses energy where it's needed most.
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