North Carolina DMV CDL General Knowledge Quick Practice Test 1 For 2024

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. Don't spend too much time looking at a single mirror because:

2. Parking brakes:

3. What is the penalty for operating a CMV that is placarded for hazardous materials while you are under the influence of alcohol?

4. Which of the following is acceptable if found during a pre-trip inspection?

5. Why should your mirrors be adjusted to show the road behind you as well as part of your vehicle?

6. When loading a trailer, it is important to:

7. How can you check hydraulic brakes?

8. When driving, the steering wheel should be: