2025 District of Columbia Cdl HazMat - Test 1
The following questions are from real District of Columbia CDL practice tests. After selecting the answer, you can see the explanation. After confirming, click "Next" to jump to the next question.
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1. Containers of hazardous materials must be:
Packed in larger brown-colored containers.
Braced to prevent movement during transportation.
Made of cardboard.
A maximum of four feet tall.
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Key Data
Number of Tests: 18
Number of Question: 30
Passing Score: 24
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