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CDL General Knowledge Practice Test -2

Our Free CDL Practices Tests are designed to help you pass your CDL General Knowledge Test on the first try. This practice tests has 25 multiple choice questions each question is designed to help you learn the material in the CDL Handbook.
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CDL General Knowledge Practice Test

Don’t leave your CDL to chance—study with a free practice test to ace your CDL knowledge exam on the first try! Before earning your commercial driver’s license, all applicants must first pass a knowledge exam testing your comprehension of the traffic laws and safety measures that are critical to becoming a commercial driver. This test includes questions on state traffic laws, right of way procedures, maneuvering in a commercial vehicle, safety requirements and inspections, and more.

Taking this practice test gives you an extra layer of preparation, with multiple-choice questions that mimic the format and experience of taking the real exam. Your CDL general knowledge exam practice test includes 15 questions on information pulled from your state DMV’s CDL handbook. You must answer at least 12 questions correctly for a passing score of 80% or higher. The real advantage is your ability to retake this practice test as much as you need to feel completely confident before your CDL test. At the end, you’ll receive a review of any questions you missed, so you know exactly where to spend more time studying. There’s no better way to become a smarter, safer commercial driver.

CDL General Knowledge Practice Test FAQs:

How can I pass my general knowledge CDL exam?

To pass your general knowledge CDL exam, you’ll need to study your state DMV’s commercial driver handbook fully. Taking practice tests for your knowledge test and any additional endorsements you plan to apply for will also help ensure your pass your exam.

What questions are on the CDL knowledge test?

The CDL knowledge test features questions on driving your commercial vehicle, including safety components, inspections, and maneuvering larger vehicles. You’ll also be tested on the traffic laws in your state that pertain to commercial drivers, such as right-of-way rules, following distances, and more.

What tests are required to earn a commercial driver’s license?

To earn a CDL, you’ll need to pass the general knowledge exam, a behind-the-wheel road test, and a safety inspection test. You’ll also need to pass written and practical exams for any specific CDL endorsements you may be applying for, if any.

CDL Sample Test Questions

A front-end header board _____.
  • Protects you from your cargo in case of a crash or emergency stop.
  • Protects your eyes from the sun.
  • Helps you rock out in your car during traffic jams.
  • Details important information about your vehicle's gross weight and the cargo's hazard class if applicable.
As a driver hauling cargo, you are responsible for ______.
  • Knowing your cargo is secured properly.
  • Inspecting your cargo.
  • Recognizing when your vehicle is overloaded.
  • All of the listed answers.
Blocking is used in the __________ of a piece of cargo to keep it from sliding.
  • Front.
  • Sides.
  • Back.
  • All of the listed answers.
Every ____ hours (or 150 miles, whichever comes first) you should check to ensure your cargo is secure.
  • 5
  • 2
  • 3
  • 4
  • 6
How do you typically control the extra gears provided by the multi-speed rear axles and auxiliary transmissions?
  • A selector knob.
  • Switch.
  • Lever.
  • Wig wag.
  • Selector knob or switch.


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