2025 Oklahoma Cdl Class B Knowledge Test - 2
The following questions are from real Oklahoma 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. A Class 1 hazardous material is:
An explosive.
Solid.
Corrosive.
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Key Data
Number of Tests: 18
Number of Question: 50
Passing Score: 40
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