Illinois 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. When covering cargo, a cover that flaps in transit:

2. Air tank drains:

3. Which of the following is not a good way to reduce crashes when turning right?

4. When taking the basic control skills test, drivers are:

5. When steering to avoid a crash, you should:

6. What can happen if a parking brake is used in very wet weather when temperatures are below freezing?

7. Header boards:

8. What should you do if the braking system cannot build up hydraulic pressure?