CDL · Hazardous materials
A trailer's cargo space is fitted with a heater or an air-conditioning unit. Which hazard classes may never be loaded into it?
Correct answer: Class 1, Division 2.1 and Class 3.
Answer options
- ADivision 2.2, Division 6.1 and Class 8
- BClass 1, Class 4 and Division 5.1
- CClass 1, Division 2.1 and Class 3 Correct
Why
A cargo heater, including a combined heater and air-conditioner unit, could ignite explosives, flammable gases or flammable liquids, which is why Classes 1, 2.1 and 3 are kept out of such trailers.
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.
Practice Loading and Unloading HazMatMore questions from Loading and Unloading HazMat
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