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California CDL Practice Test: All - Test 2020

(From the 2020 California 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 California DMV locations.

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

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

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

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

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

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

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

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