It is recommended that a driver refrain from smoking or using an open flame within 25 feet of:
Answer: A
Hazard classes 1, 2, 3, and 4 only
Refrain from smoking or having an open flame within 25 feet of hazard classes 1, 2, 3, and 4. Avoid smoking in extreme proximity to any hazard class.
All choices
- AHazard classes 1, 2, 3, and 4 only
- BHazard classes 1 and 2 only
- CHazard classes 1, 3, and 5 only
Why the other answers are wrong
B. Hazard classes 1 and 2 only
Hazard classes 3 and 4 also require refraining from smoking or open flames within 25 feet, not just classes 1 and 2.
C. Hazard classes 1, 3, and 5 only
Hazard class 2 is missing, and class 5 is not included in the recommended no-smoking distance.
CDL HAZMAT Test Info
Questions on Exam
30
Passing Score
80%
Time Limit
Typically 30 minutes; varies by testing location
The HAZMAT test content is federally standardized, so this question applies in every state. Age limits, fees, and testing procedures do vary — check your state's CDL requirements.
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