Practice question

What is the purpose of a swipe (smear) test when inspecting a Class 7 package or vehicle surface?

To polish the package paintwork
To test whether the package is waterproof
A filter paper disc is wiped over a 300 cm² surface area and measured on a counter to quantify removable (non-fixed) contamination
To check whether the package label is sticky

Answer: C — A filter paper disc is wiped over a 300 cm² surface area and measured on a counter to quantify removable (non-fixed) contamination

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