ARIZONA CDL PRACTICE TEST - GENERAL KNOWLEDGE

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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 backing, it is best to:
use only the passenger's side mirror.
try to back in the direction of the drift.
use a helper whenever possible.
2. In vehicles with air brakes, the air compressor governor:
controls when the air compressor will pump air into the air storage tanks.
controls how much air the air compressor will pump into the air storage tanks.
controls when the air storage tanks will pump air into the air compressor.
3. Which of the following statements about accelerating is TRUE?
Rough acceleration can cause mechanical damage.
When traction is poor, you should avoid speeding up gradually.
If the drive wheels begin to spin, speed up to regain traction.
4. Hydroplaning:
only occurs at speeds above 55 mph.
is more likely when tire pressure is low.
is more likely to occur when tire tread is in good condition.
5. When driving through a large puddle or flowing water, you should:
increase engine rpm.
slow down.
All of the above.
6. Axle weight is:
the maximum safe weight a tire can carry at a specified pressure.
the weight of one axle.
the weight any axle or combination of axles transmits to the ground.
7. Which of the following is a common cause of fire?
Under-inflated tires and duals that touch.
Short circuits due to loose connections.
All of the above.
8. When only the tractor has ABS:
the trailer is less likely to swing out.
you should be able to maintain steering control during braking.
there is a greater chance of jackknifing.
9. You should you NOT sound your horn:
to tell other drivers that they made a mistake.
to alert another driver to your presence.
to alert another driver to a potential problem.
10. Hanging meat in a refrigerated truck can be:
a very stable load if properly distributed.
a very unstable load with a high center of gravity.
a very unstable load with a low center of gravity.
 
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Frequently Asked Questions

The age requirements depend on the type of permit or license you are applying for:
  • If you are at least 15 years and 6 months old, you can obtain a graduated instruction permit.
  • If you are at least 16 but less than 18, you can be issued a graduated driver license (Class G).
  • At the age of 18, you become eligible for a Class D driver's license.
Individuals under 18 can opt for the Permit Test @ Home Program. With this option, you can take the DMV written test online under the supervision of a parent or legal guardian. After passing the test, schedule an appointment at an Arizona MVD office to obtain your permit. If you are 18 years old or older, you can take the exam at a driver license office or at an authorized third-party provider.


To take the DMV test in Arizona, you must bring to an MVD office:
  • A completed application
  • One primary document (U.S. passport, certified copy of a birth certificate…)
  • Two proofs of residency (documents with your name and address from a business, organization, or government agency)
  • Proof of your Social Security Number

If your name is different, show legal proof of the name change.


The DMV written test for the driver's license in Arizona is available in several languages, including: English, German, Vietnamese, Mandarin, Spanish, Arabic, Russian, Italian, French, Tagalog, Korean. A verbal test is offered if you have difficulty reading, made many mistakes on a previous test, or the exam isn’t available in your language. To schedule a verbal test, check the nearest MVD office and make an appointment.

To get ready for the Arizona DMV written test, start by reading the Arizona Driver's Manual. This manual has all the info you need to study for the exam: traffic signs, road rules, and safe driving practices. Then, check what you've learned with our free practice tests and consider signing up for DMV Premium to access additional resources!

The Arizona DMV written test consists of 30 multiple-choice questions and is based on the information provided in the manual. Remember, you have 30 minutes to complete the exam. Taking numerous practice tests and thoroughly studying the handbook will increase your chances of success.

To pass the exam, you need a score of 80% or higher. You should get at least 24 questions right, and you're allowed to miss up to 6 questions out of the total 30. Stay focused and take the time to read the questions carefully.

For the initial 6 months, drivers holding a graduated driver license in Arizona face specific restrictions: 
  • They cannot drive between midnight and 5:00 a.m. unless accompanied by a parent or guardian with a valid license. Driving alone is permitted when traveling to or from sanctioned school activities, places of employment, religious events, or during a family emergency.
  • They cannot transport more than one passenger under 18, except for siblings or when accompanied by a parent or legal guardian in the front passenger seat.
The Arizona instruction permit is valid for a duration of 12 months. Use this time to complete an Arizona MVD-approved driver education program, and after holding the permit for a minimum of 6 months, you can apply for a graduated license.

If you fail the DMV written test on your first attempt, you can return to an MVD office or an MVD Authorized Third Party office the next business day to retake the test. If you fail the exam three times, you have to pay another application fee to take it again.

AZ CDL Practice Test

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