⚠️Alabama HAZMAT — Question 5 of 10
You have loaded a hazardous material into a cargo tank. What must you do before you move the vehicle?
Answer: A
Close all manholes and valves and be sure they are free of leaks.
It is a violation to move a vehicle containing any amount of hazardous materials with a valve or covers opened unless it is completely empty. After loading a tanker, verify that all valves are completely closed and that any manhole covers are back in position prior to moving the vehicle.
Source: Alabama CDL Manual
All choices
- AClose all manholes and valves and be sure they are free of leaks.
- BPlace shipping papers within your reach.
- CHave the loading observers sign off on the shipping papers.
Alabama 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+
Alabama Law Enforcement Agency (ALEA)
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More CDL HAZMAT Practice Questions
- Which of the 9 hazard classes may NOT be transported in a temperature-controlled trailer?
- 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?