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

To inspect the______you should pump the pedal 3 times and hold it down for 5 seconds while making sure the pedal doesn't move during those 5 seconds.

2 / 40

You should check the_____when loading small tanks equipped with bulkheads.

3 / 40

Placarded vehicles must carry which type of fire extinguisher?

4 / 40

When should you check your mirrors for a lane change?

5 / 40

You should check that the following makes an audible noise:

6 / 40

When transporting explosives you may not park:

7 / 40

When fueling a placarded vehicle, someone must always be:

8 / 40

You should line up_____when getting ready to back under the trailer.

9 / 40

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

10 / 40

A tank vehicle:

11 / 40

Select the false statement about suspension:

12 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

13 / 40

This object is not checked at the rear of the trailer.

14 / 40

Why is understanding the loading and unloading procedures so critical?

15 / 40

You should be extra cautious when___while driving a smooth bore tanker combination.

16 / 40

Carry-on baggage cannot be stored:

17 / 40

For any flatbed load you must have at least ____ tie downs.

18 / 40

Select which is not a mandatory emergency equipment:

19 / 40

You should____in order to inspect the coupling.

20 / 40

This object is required to be checked for damage, that it's secure, and strong enough to handle any cargo.

21 / 40

The best way to have control on curves is:

22 / 40

The trailer should be lowered so that _____.

23 / 40

What is the movement of the liquid called when the tanks are partially filled?

24 / 40

A shipment described on the Hazardous Waste Manifest may only be delivered to another _______ carrier or treatment facility, who then signs the ______, giving you a copy which you must keep.

25 / 40

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

26 / 40

Which of the following is a reason to evacuate the school bus?

27 / 40

What is the purpose of a baffle?

28 / 40

On the Hazardous Materials Table, column 1 shows:

29 / 40

Animals and human foodstuffs should not be loaded in the same vehicle with?

30 / 40

Where should the safety catch for the fifth wheel locking lever be located for coupling to be complete?

31 / 40

You should never brake and should rely only steering inputs to avoid a crash while driving a tanker truck.

32 / 40

What will probably happen if the converter dolly is still under the second trailer and the pintle hook is unhooked?

33 / 40

When driving a combination vehicle, the trailer breaks away severing the air lines. The trailer brakes should come on and ____.

34 / 40

When you have a major leak in the service line and you apply pressure to the brakes, the service air pressure will escape and:

35 / 40

Which of the following should you do when driving the school bus in high wind?

36 / 40

If you double your speed, what will happen to your stopping distance?

37 / 40

Is it mandatory that all vehicles with air brakes have low air pressure warning signals?

38 / 40

Of the following hazardous material classes, which is the most dangerous?

39 / 40

Is this statement true or false: You do not need to use the parking brake if are leaving your vehicle for a short amount of time.

40 / 40

Select the true statement about empty trucks:

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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.