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Idaho CDL Practice Test: All - Test 2020

(From the 2020 Idaho 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 Idaho DMV locations.

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

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

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

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

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

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

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

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