alabama
CDL Practice Test

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The practice tests below offer CDL practice test questions in all the different topic areas you’ll see on the Alabama CDL test. The CDL tests are free and can be taken as often as you’d like to help you in your preparation for earning an Alabama commercial driver's license. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50 minute time limit. You may not go back once you answer a question. Click the “Start Test” button below to start your Alabama CDL practice test.

1 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

2 / 40

The system that needs to be checked for signs of leaks with rust or carbon soot and damage is the _____.

3 / 40

Buses may NOT have recapped or regrooved tires:

4 / 40

How far away are you required to park from a bridge, tunnel, or building if you are carrying Division 1.2 or 1.3 materials?

5 / 40

Select the action that is not appropriate when driving on slippery roads:

6 / 40

How should the shut off valves at the rear of the trailer be when inspecting doubles?

7 / 40

When arriving at the destination announce:

8 / 40

When would you lock some emergency roof hatches in a partly open position?

9 / 40

Select how brakes work on long, steep downgrades:

10 / 40

You should___to reduce the air leakage rate.

11 / 40

What is NOT one of the four skill areas that operating a commercial vehicle requires?

12 / 40

If your bus is equipped with an emergency exit door, it must:

13 / 40

All standing riders must stay:

14 / 40

Which of the following parts do not get checked in the Bus Interior inspection:

15 / 40

When transporting hazardous loads, you must check the tires at least:

16 / 40

Select the statement of what you should not do if you are required to drive through flowing water or deep puddles.

17 / 40

Five hazard classes that require placarding in any amount are ______.

18 / 40

What is the standee line?

19 / 40

You should_____when checking the slack adjusters on S-Cam brakes.

20 / 40

Class A explosives must not be transported in a combination vehicle if the vehicle includes:

21 / 40

What is most likely to occur when driving a set of doubles and a set of trailer wheels goes into a skid?

22 / 40

Select how you would check the truck's slack adjusters.

23 / 40

Which of the following about the front tires on a commercial bus is true?

24 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?

25 / 40

A vehicle placarded for Division 1.1, 1.2, or 1.3 explosives:

26 / 40

How do you check the coolant level?

27 / 40

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

28 / 40

When accelerating:

29 / 40

There must not be more than_____for engine compartment belts.

30 / 40

Drivers placard their vehicle to _____ the risk.

31 / 40

Which of these is a good rule for backing a straight bus?

32 / 40

You must first______to supply air to the trailer.

33 / 40

What is a common cause of tire fires?

34 / 40

You should_____when an emergency requires you to quickly stop your tanker.

35 / 40

When should you drain air tanks that do not have an automatic tank drain?

36 / 40

Select the true statement in regards to an application pressure gauge:

37 / 40

Select the statement that is true in regards to managing space to the sides.

38 / 40

You don't want to use wheel chocks when hooking a combination to a second trailer with no spring brakes. What should you do?

39 / 40

If you are required to stop at railroad crossings, you must:

40 / 40

The basic description of a hazardous material includes the hazard class, the identification number, and the proper shipping name. Which one must appear first on the shipping paper?

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CDL Category Practice Tests

How To Get an alabama Commercial Drivers License

Applicants must be of the legal age of 18 or older. Those between the ages of 18 and 21 are only permitted to drive a commercial vehicle within the state of Alabama. Those age 21 and older may drive a commercial vehicle across state borders. Only those aged 21 and older may apply for their hazardous materials endorsement. All applicants must possess a DOT Medical Card.

An applicant’s driving record will be considered when applying for a CDL license. There are specific items in which a driver will be disqualified for a commercial driver’s license. These include:

  • Any suspension/revocation 36 months before submitting an application.
  • Any six-point violation or conviction of operating a motor vehicle impaired 24 months prior to submitting an application.
  • Any current denial, cancellation, suspension, or revocation of driver’s license.
  • Possessing multiple driver’s licenses from various States.
  • Not meeting certifications on BFS-103 CDL Certification Form.

Alabama requires all CDL applicants to complete both a knowledge test and a skills test. Alabama offers the following CDL license endorsements:

  • S – School Bus
  • T – Double Trailer
  • P – Passenger
  • N – Tank Vehicles
  • H – Hazardous Materials

Hit the Open Road

alabama CDL License Test Tips

The knowledge tests are presented in written form for Class A, B, and C applicants. All classes are required to take a 50 question assessment. Those applying for a Class A CDL will need to complete an additional 20 questions about combination vehicles. Applicants seeking to drive vehicles with air brakes must complete a 25 question air brake assessment. Those seeking any endorsement other than hazardous materials must complete a 20 question assessment that is endorsement specific. Those applying for the hazardous materials endorsement must complete a 30 question knowledge test. All applicants must receive a score of 80 percent or higher on each test to pass.

A skills test is required for all CDL applicants regardless of Class. The School Bus and Passenger Endorsements require a skills test as well. All applicants applying for Air Brakes Certification must use a vehicle that is equipped with air brakes for their skills test. The CDL skills test consists of a vehicle inspection test, basic control skills test, and a driving test. All three test sections must be passed for CDL approval. Failure in any skills test area automatically fails the applicant.

Additional Information

CDL Testing by the Alabama Law Enforcement Agency

The Alabama Law Enforcement Agency administers the certifying and testing of commercial drivers in the state. To get more information contact them via: Website:  https://www.alea.gov/dps/driver-license
Phone:  334.242.4400
Email:  [email protected]

Additional Alabama CDL Helpful Links

Please use the links below to access more valuable Alabama CDL testing resources and to learn more about driving test resources for the state of Alabama.