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

Before transporting a sealed load, you must check:

2 / 40

What can you do at an accident site to help avoid another accident?

3 / 40

How should you inspect a converter dolly?

4 / 40

When should you not use the parking brakes?

5 / 40

How often should you check the tires on a placarded trailer that has dual tires?

6 / 40

Select the factors that can cause your brakes to fade or fail:

7 / 40

What might happen if you swing wide to the left before you turn right?

8 / 40

How should the pintle hook be when backing a dolly under the second trailer?

9 / 40

How do you make sure the air lines are not crossed and the trailer brakes are working after supplying air to the trailer?

10 / 40

This component should be checked that it is solid, securely bolted to the tracture frame, and clear of objects.

11 / 40

A slack adjuster is:

12 / 40

In what position should the converter dolly air tank drain valve be in for double trailer combination?

13 / 40

Select the true statement about seeing ahead.

14 / 40

Select the true statement about empty trucks:

15 / 40

When driving on a clear night with the vehicle lights on, your speed should be such that you can stop within _____.

16 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

17 / 40

The average person requires how many hours of sleep per 24 hour period?

18 / 40

Select the definition of "off-tracking."

19 / 40

This should be cleaned and then adjusted properly while inside the cab.

20 / 40

When conducting a pre-trip inspection, the most important item to verify is _____.

21 / 40

What is always required before loading, driving, or unloading a tanker?

22 / 40

Cylinders containing compressed gases may only be loaded onto a vehicle without a flat floor or platform if the cylinders are:

23 / 40

When transporting explosives you may not park:

24 / 40

You should look into the back of the fifth wheel on a dolly to see if it is locked onto the kingpin.

25 / 40

What is the best way to figure out how many seconds of following distance you have?

26 / 40

You must first______to supply air to the trailer.

27 / 40

You should check that the following makes an audible noise:

28 / 40

What method should be used to test that the air is flowing to all the trailers?

29 / 40

If you do become sleepy while driving, you should _____.

30 / 40

If there is no traffic light or attendant, how far from the draw of a drawbridge must you stop?

31 / 40

How many seats may be placed in the aisle if the bus is a charter and is carrying agricultural (farm) workers?

32 / 40

What is a supply pressure gauge used for?

33 / 40

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

34 / 40

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

35 / 40

You are inspecting the_____when looking for broken welds, cracks, holes, or other damage to the longitudinal frame member, cross members, box, and floor.

36 / 40

The locking jaws of the kingpin should close around:

37 / 40

Which of the following is NOT an acceptable type of marking for hazardous materials?

38 / 40

With the controlled braking method, you _____?

39 / 40

Which of the following statements is true about speed management?

40 / 40

Select the true statement in regards to your brake function when your ABS fails

Your score is

The average score is 42%

5/5 - (4 votes)

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.