Take CDL General Knowledge Practice Test now!

Our full-length CDL general knowledge practice test is your ultimate tool for success on the test location. Designed to closely mimic the actual test, it guarantees you are well prepared to pass with confidence.

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Super features you can experience from our practice test:

Realistic simulator: Mirror the same format, passing requirements, and possible topics as the real thing.

Up-to-date question bank: Based on the most recent CDL manual/handbook for 100% relevancy.

Immediate feedback: Instant scoring for estimating performance. Easy to identify weaknesses and track your progress.

Detailed explanations: Unlock in-depth insights into every question with a Pro account.

State-specific: Practice tests are available for every state. Choose one of the states below to get started!

FAQs

What’s on the CDL General Knowledge Test?

The CDL general knowledge test covers all basic aspects involving the safe operation of a commercial vehicle, as follows:

Traffic signs and signals: Identify important road signs, traffic signals, and right-of-way rules.
Vehicle inspection: Identify problems with brakes, tires, lights, and emergency equipment.
Commercial vehicle safety: Manage hazardous conditions, use mirrors effectively, and maintain safe distances.
Speed limits and trucking laws: Understand state regulations related to speed limits and truck driving.
Cargo operation: Know proper load securement, weight distribution, and shifting cargo procedures.
Driving emergencies: Know how to handle brake failure, tire blowouts, and weather conditions.
Vehicle components: Understand how air brakes, transmission, steering, and other systems work.

How hard is the CDL General Knowledge Test?

The difficulty level of this test depends on your preparations. It tests your expertise in all the basics of driving a commercial vehicle safely. However, you do not have to struggle alone. Our CDL general knowledge practice test will assist you in mastering all essential things for this test. With dedication, the correct approach, and resources, passing the CDL general knowledge test is absolutely within your hands.

How many questions are on the CDL General Knowledge Test?

The CDL general knowledge test typically consists of 50 multiple-choice questions.

How many questions can you miss on the CDL General Knowledge Test?

To pass this test, you must achieve a score of 80%. This means you can miss up to 10 questions out of the 50.

How do I study for the CDL General Knowledge Test?

Here are suggested processes to study effectively for the CDL general knowledge test:

Start with the state handbook/manual: Read through the official handbook/manual of your state for an overview of what to expect.
Study for each topic: Break down this test into smaller subtopics such as traffic signs or vehicle safety to avoid being overwhelmed.
Take the full-length test: Practice with our diagnostic test with the same test format and the number of questions to experience the real test condition and evaluate your readiness.
Review explanation: Get an in-depth understanding of tested areas with a detailed explanation for each question.
Track your process: Monitor your performance over time and adjust your study if necessary.
Stay consistent: Regular practice helps you retain information and build confidence.