CDL · Hazardous materials
Which hazard classes require that no one smoke or light a flame within 25 feet of the vehicle carrying them?
Correct answer: Any material in Class 1, Division 2.1, Class 3, Class 4, or Class 5.
Answer options
- AOnly explosives in Division 1.1 or 1.2
- BOnly materials in Classes 6, 7, 8, or 9
- CAny material in Class 1, Division 2.1, Class 3, Class 4, or Class 5 Correct
Why
A spark can set off explosives, flammable gases, liquids, and solids, and oxidizers make a fire burn harder, so smoking and open flames are banned within 25 feet of a vehicle hauling Class 1, Division 2.1, Class 3, Class 4, or Class 5 material.
About this question
Topic: Hazardous materials License: CDL
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Where it applies: Asked in every state.
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This question is part of Loading and Unloading HazMat (32 questions). Take the full set and check your score.
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