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The CDL general knowledge test is required to be taken by all CDL applicants. The Arizona CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Arizona CDL Manual. All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual AZ general knowledge test! To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1. When a combination vehicle goes around a corner:
the rear wheels of the trailer will never off-track.
the front and rear wheels follow a different path.
the driver must keep the rear of your vehicle far away from the curb.
2. Which of the following trailers can get stuck on raised crossings?
Car carrier
All of the above.
3. If the drive wheels begin to spin, you should:
accelerate smoothly and change gears as necessary.
take your foot off the accelerator.
apply your brakes all the way.
4. An empty truck requires _________ a full truck.
the same stopping distance as
less stopping distance than
a greater stopping distance than
5. While driving at night, use __________ when it is safe and legal to do so.
high beams
low beams
interior lights
6. When feeling fatigued you should:
continue driving.
stop and rest.
drink a cup of coffee.
7. What should you do at an accident scene, among other things, to help prevent another accident?
Stay in your vehicle andĀ file an accident report.
If you are stopping to help, park in the area immediately around the accident.
Put on your 4-way emergency flashers.
8. Which of the following statements is true?
An empty van is lower than a loaded one.
The weight of a cargo van changes its height.
The heights posted at bridges and overpasses are always correct.
9. During the vehicle inspection, you should check your clutch for:
All of the above.
10. Hazardous materials can be recognized by looking at the container's:
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AZ CDL Knowledge Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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