Iowa DMV CDL General Knowledge Quick Practice Test 2 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. If you must leave the roadway and drive on the shoulder in an emergency situation, you should:

2. What is the legal length limit for double-trailer combinations?

3. When conducting a vehicle inspection, you must show each of the following, except:

4. When driving, your mirrors should:

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

6. To make your vehicle more visible during the day, you should:

7. Without oil in its engine:

8. When driving, being aware of what is happening behind you is: