DC CDL General Knowledge Exam Simulator 2024

The only thing standing in the way of you getting a Commercial Driver’s License (CDL) or Commercial Learner’s Permit (CLP) is a General Knowledge Exam. The test contains 50 multiple-choice questions on everything from escape ramps to what to do when you take a break (the answer is to take that time to check the tires and other critical systems). The whole test must be taken in just one hour and you have to answer at least 40 of the questions correctly to pass. If you do not pass you’ll have to make the trek out to the DMV again and that could waste an entire day. So make sure you have the knowledge you need from the official D.C. commercial driver’s manual and take our practice tests several times. The practice test tells you how you are doing as you go so you can see how you might fare under real conditions. If you can’t pass one of the practice tests you won’t have much luck with the real thing. The questions and concepts here are taken almost verbatim from the exam. In order to avoid more trips to the DMV you also need to make sure your paperwork is in order. The D.C. DMV requires you bring a copy of a valid driver’s license as well as proof of citizenship or legal residency. Also you need to have a Medical Examiner’s Certificate (DOT card) signed by a licensed medical examiner, as listed on the Federal Motor Carrier Safety Administration (FMCSA) National Registry. The certificate proves that you are physically qualified to drive commercially. Make sure you have all this together, as well as your wits about you, when you head into the DMV. Get set academically with this practice test!

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About this test

5 min to complete

Available in EN and ES

Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.

What to expect on the actual DC DMV exam

questions

correct answers to pass

80%

passing score

Helpful links

DC DMV website

Official District of Columbia CDL manual (2024)

More resources

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Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.

Written by Andrei Zakhareuski Updated over a week ago

At Driving-Tests.org, we understand the importance of reliable and accurate practice tests to help you prepare for your DMV exam. That's why we've developed a meticulous process to create and continually update our practice questions, ensuring they reflect the most current driving laws and regulations.

Here's an inside look at how we maintain the highest quality in our practice tests.

Content Creation and Verification Process

Alignment with Official Manuals:
Every question we develop is based on the most recent version of each state's official driving manual. Our team regularly monitors each state DMV's website for the latest updates to ensure our practice tests are always aligned with the most current information.
Community Feedback Integration:
We leverage feedback from our vast community of users to understand which topics are most frequently tested. This helps us focus on the areas that are most relevant and beneficial for your preparation.
Expert Content Creation:
Our in-house editor, Steven, who has extensive experience in driver education, crafts each question with precision. He conducts a thorough review of each question against the official manuals to ensure accuracy.
Rigorous Review Process:
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User Feedback Mechanism:
After a question goes live on our site, we keep the lines of communication open. Each question features a feedback button, inviting users to report any issues or errors. This continuous feedback loop allows us to address and rectify any concerns promptly.
Responsive Updates:
In line with our commitment to accuracy, we quickly update our practice questions to reflect any changes in the DMV manuals. Additionally, we update the free electronic copy of the state's driver's license manuals on our site, typically within a few days after the DMV publishes them.

Our thorough quality control process ensures that you have access to practice tests that are as accurate and up-to-date as possible. We believe in the power of well-prepared drivers and are dedicated to providing you with the best study tools to help you succeed on your DMV exam.