Idaho 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. You should specifically look out for black ice:

2. After starting the engine, the Anti-Lock Braking System (ABS) light stays on if:

3. An open automobile window in cold weather may indicate that the driver is:

4. When checking the air and electrical lines during a vehicle inspection, all of the following should be true, except:

5. Air tank drains should:

6. Brakes may get out of adjustment:

7. Hydroplaning happens most often when:

8. On a wet road, you should reduce your speed: