Community QuestionSeen on 10 CBTs
You do not have a hazardous materials endorsement on your commercial driver license. When can you legally haul hazardous materials?
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Answer
only when the vehicle does not require placards
8 of 10 indexed CBT versions give this answer·Answer index rebuilt Aug 17, 2026
The indexed versions don't agree on this one
This question appears on 10 CBT versions we've indexed, and they don't all give the same answer. Exam editions change and answer keys get re-cut, so more than one of these was correct on the test it came from. Here is each of them, and how many versions give it.
8 of 10 versionsmost versions
only when the vehicle does not require placards
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2 of 10 versions
a. Never b. Only when the shipment does not cross state lines c. Only when the load is placarded d. All of the above A
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