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Colorado CDL Practice Test: All - Test 2020

(From the 2020 Colorado CDL Handbook)
Number of tests: 35
Number of questions: 30
Passing score: 80

Directions: If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Colorado DMV locations.

You have made error(s) so far.
Your Challenge Library: 0

1. Why should you check the tire shortly after it's been changed?

2. How many mph above the posted speed limit is considered excessive speeding?

3. A serious traffic violation is which of the following?

4. You will lose your CDL for three years ______.

5. When your brake's main air pressure is lost ________.

6. Typically, at what psi does the air compressor governor stop the compressor from pumping air?

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