2025 Colorado Cdl Class B Knowledge Test - 1
The following questions are from real Colorado 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. When using mirrors while driving, you should:
Look in the mirrors quickly.
Look in the mirrors for extended periods of time.
Use only the rearview mirror.
Use only the driver’s side mirror.
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Key Data
Number of Tests: 18
Number of Question: 50
Passing Score: 40
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