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How Many Questions is the CDL Permit Test?

13 Feb, 2024
13 Feb, 2024

How Many Questions is the CDL Permit Test?

Drivers-beginners frequently wonder about how many questions is the CDL permit test? In this article, let’s go deeper into the details of the CDL permit test, investigating its structure, content, and crucial recommendations for success.

CDL Permit Test: is it difficult to pass?

The CDL permit test is not that difficult if you are well prepared. For detailed preparation, we strongly recommend you to practice your knowledge using our Free CDL practice Tests. Or, for complete CDL training, we recommend you to take one of our expert CDL courses, where experienced instructors will answer all of your questions and prepare you for any situation on the road. There are 2 common types of CDL Permit test: For the CDL Class A – 95 questions (Gen Kn, Air Br, Comb V.), and the CDL Class B – 75 questions total (Gen Kn, Air Br.) Decision on taking a certain class depends on your personal goals and plans for your future truck-driving career. However, taking the Permit test is your first and crucial step regardless of it’s class. So, let’s talk about each CDL Permit test part separately:

General Knowledge

The General Knowledge section is a fundamental element of the CDL Permit Test, inquiries in this section may comprise questions about vehicle checks, basic management skills, secure driving practices, and the influence of alcohol and drugs on driving. You have only one hour to pass the test and in case you get less than 40 questions right you fail the test.

What to expect on the actual general knowledge CDL exam

50 questions40 correct answers need80% passing score

Air Brakes

The air brakes endorsement is needed for drivers who manage vehicles equipped with air brakes. Inquiries in this section estimate the driver’s comprehension of air brake systems, involving the elements and right procedures for utilization.

What to expect on the actual Air Brakes CDL exam

25 questions20 correct answers need80% passing score

Combination Vehicles

The combination vehicles section is oriented toward drivers who manage vehicles with trailers. It wraps up miscellaneous themes, in particular, coupling and uncoupling, checking combination vehicles, and rules of secure driving while operating them.

What to expect on the actual Combination Vehicles CDL exam

20 questions16 correct answers need80% passing score

Dangerous Materials

For drivers carrying dangerous materials, a Hazardous Materials (HazMat) endorsement is required. This section of the CDL permit test estimates the driver’s lore of handling and carrying dangerous materials securely, comprehension of placards, and emergency procedures.

What to expect on the actual HazMat CDL exam

30 questions24 correct answers need80% passing score

Tanker Vehicles

The tanker vehicles section is necessary for drivers managing vehicles intended to carry liquid loads. Inquiries may wrap up multifarious themes, for instance, the influence of load, right driving techniques, and the importance of surge and baffle systems in tanker vehicles.

What to expect on the actual Tanker Vehicles CDL exam

20 questions16 correct answers need80% passing score

Doubles and Triples

Drivers who plan to manage double or triple trailers have to pass the doubles and triples endorsement. This section of the test assesses the driver’s comprehension of coupling and uncoupling several trailers, practices of secure driving, and skillfulness to cope with the increased length and weight of such combinations.

What to expect on the actual Doubles and Triples CDL exam

20 questions16 correct answers need80% passing score

Passenger Transport

Novice bus drivers or those individuals who carry passengers have to take the passenger transport endorsement examination. This section concentrates on themes such as loading and unloading passengers, proper utilization of mirrors, and general safeness measures for passenger transportation.

What to expect on the actual Passenger Transport CDL exam

20 questions16 correct answers need80% passing score

Enumeration of Tips for Success

To deal with the CDL permit test may be problematic for some drivers. Let’s have a glance at a few helpful tips to reach success while passing this pivotal examination.

Explore the CDL Manual

The key to success on the CDL permit examination is a deep comprehension of the CDL manual granted by your state’s Department of Motor Vehicles (DMV). The manual comprises all the information you have to know to cope with the test.

Practice with Sample Exams

Our platform offers you Free CDL practice tests that imitate the format and content of the real examination. Taking part in these practice tests assists in familiarizing yourself with the question types and reinforcing your capability to remember information.

Concentrate on Weak Areas

Pinpoint your weak areas during practice examinations and allocate supplementary time to consider and comprehend those themes. Focus on areas where you may require more clarification or reinforcement.

Simulate Conditions of Examination

Also, it is a good idea to practice under conditions similar to the real examination. This incorporates time limitations and distractions to simulate the testing environment, aiding you in dealing with stress and improving your results on exam day.

Conclusion: How Many Questions is on the CDL Permit Test?

The precise number of questions is different for every test part, for example for a General knowledge test it’s 50 questions, for Air Brakes it’s 25. By diligently studying the CDL manual, practicing on sample exams, focusing on weak areas, and simulating real test conditions, aspiring drivers can definitely increase their chances of success on the CDL permit test and take a significant step toward realizing their trucking goals.

Writen by Max Smith

Max is an editor, translator, and driver from Ukraine, with over 15 years of driving experience.

Regularly collaborating with our experts, he prepares materials for drivers

that can be useful for improving qualifications.


Nine years of experience and 6000+ graduated students with CDL

Feels free to ask us any question about getting CDL at USA.

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