⚠️Arizona HAZMAT — Question 6 of 10
Which of the 9 hazard classes may NOT be transported in a temperature-controlled trailer?
Answer: C
Classes 1, 2.1, and 3
Explosives (class 1), flammable gases (class 2.1), and flammable liquids (class 3) are all volatile substances that need to be transported without automatic temperature control.
Source: Arizona CDL Manual
All choices
- AClasses 2, 3, and 5.1
- BClasses 1, 3, and 5.2
- CClasses 1, 2.1, and 3
Arizona CDL HAZMAT Test Info
Questions on Exam
30
Passing Score
80%
Time Limit
Typically 30 minutes; varies by testing location
Age Requirements
Intrastate: 18+ · Interstate: 21+
Arizona MVD
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More CDL HAZMAT Practice Questions
- Your vehicle contains explosives, oxidizer, or flammables. No one may smoke within ____ feet of the vehicle.
- It is recommended that a driver refrain from smoking or using an open flame within 25 feet of:
- A vehicle placarded for hazardous materials must have placards on ____ sides.
- What is the purpose of placards?
- Regarding placard table 2, at which weight limit are you required to use placards?