New York DMV CDL Air Brakes Quick Practice Test For 2023

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. To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:

2. Brakes may get out of adjustment:

3. Why do you need to drain air tanks regularly?

4. If using air tanks with manually operated drains, how often should you drain the tanks?

5. If you’re driving and the ABS warning light comes on, it means:

6. Air brakes are:

7. An alcohol evaporator in an air brake system:

8. In a dual air brake system, if one air system is very low on pressure: