2025 Oregon Cdl Double - Test 1
The following questions are from real Oregon 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. You must have an air brake endorsement:
To use a vehicle with air brakes.
To drive any truck with a trailer.
To transport hazardous materials.
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Key Data
Number of Tests: 18
Number of Question: 20
Passing Score: 16
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