WI CDL Hazmat Practice Questions - Wisconsin CDL Hazardous Materials Endorsement Test Exam

What is the safest practice for smoking around Class 3 flammable liquids during loading or unloading?

Do not smoke or allow open flames nearby Smoke only if the trailer doors are open Smoke if the packages are labeled Use a lighter to check for vapor leaks

Correct Answer:

Do not smoke or allow open flames nearby

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