louisiana
CDL Practice Test

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Below are test questions for the Louisiana CDL test. The site is free and you are able to take the practice test as many times as you need to. Questions in these practice tests cover questions from the Louisiana CDL manual and the Louisiana CDL study guide. The Louisiana CDL test contains 50 questions, of which candidates must answer 40 questions correctly to pass. 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 Quiz" button below to begin. 

1 / 40

The school bus driver may be the only contact person from school system some parents meet. The percentage of such parents is as high as:

2 / 40

What is the reason that placards are used?

3 / 40

For what reason do you keep the starter switch key in your pocket during the pre-trip inspection?

4 / 40

A tank vehicle:

5 / 40

Hazardous materials (that are not forbidden) carried on a bus must be:

6 / 40

Which of the following materials would be an acceptable floor liner for moving Division 1.1 or 1.2 materials?

7 / 40

This object should not have any missing parts, be fully raised, the crank handle is secured, and that there is no damage to the frame.

8 / 40

Select the false statement about tractor protection valves.

9 / 40

Which trailer is most likely to tip over due to the crack the whip effect?

10 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

11 / 40

The method used to make sure the spring brakes will come on automatically is to:

12 / 40

To maintain alertness during the trip, drivers should:

13 / 40

How often should you check the tires if your placarded trailer has dual tires?

14 / 40

In the event of an accident you should remember to do the following EXCEPT:

15 / 40

A tank trailer should never be fully loaded due to:

16 / 40

In the event of an accident you should remember to do the following EXCEPT:

17 / 40

Which trailer is more likely to roll over when pulling 3 trailers?

18 / 40

Which of the following is the proper definition of a cargo tank?

19 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

20 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

21 / 40

If you are driving a 100-foot truck with double trailers at 30 mph in dry conditions, how many seconds of space should there be between your truck and other vehicles?

22 / 40

If you are transporting cargo, you should inspect the cargo and securing devices:

23 / 40

What is the stopping distance for a tractor trailer that is traveling at 55 mph on dry pavement?

24 / 40

Why is understanding the loading and unloading procedures so critical?

25 / 40

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

26 / 40

You should check that the _____are secure, caps are on tight, and is not leaking.

27 / 40

If you are hauling hazardous materials and have ___ tires on your vehicle, you must stop and check them every time you park.

28 / 40

A placarded vehicle must have at least ___ placards?

29 / 40

The best way to go into a curve is to decrease your speed going into the curve and then ____going through it.

30 / 40

What is the earliest way to notice a trailer skid?

31 / 40

Wet brakes can cause _____.

32 / 40

Select the true statement about converter dollies:

33 / 40

What does the amount of liquid allowed in the tank depend on?

34 / 40

What should you hear when you have the hand valve on and are testing the trailer brakes by opening the service air line at the back of the trailer?

35 / 40

After the initial drop, the maximum leakage rates per minute is:

36 / 40

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

37 / 40

Select the true statement in regards to if a glad hand on the blue air line is missing a seal.

38 / 40

When should the trailer hand valve be used?

39 / 40

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

40 / 40

Select the true statement about tractor protection valve:

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CDL Category Practice Tests

CDL Practice Test

How To Get A louisiana Commercial Drivers License

Applicants looking to obtain their CDL for interstate driving and any Hazardous Materials Endorsement must be 21 years of age or older. Those who are 18 years of age, but under the age of 21 may apply for an intrastate CDL. These individuals are not able to operate doubles, triples, loaded buses, or HazMat vehicles. All applicants must have a completed Form DPSMV2219 from their medical examiner to apply for their CDL.

There are certain situations in which an individual will automatically be disqualified from receiving their CDL. These are listed below.

  • Having CDL privileges in another state disqualified.
  • Being convicted of driving impaired in a commercial vehicles 24 months prior to the application.
  • Having more than one driver’s license.
  • Having a denied, canceled, revoked, or suspended driver’s license.

All commercial driver’s license applicants must pass a practical skills CDL test and one or more knowledge tests.

Endorsements
T – Double/Triple Trailers
P – Passenger
N – Tank Vehicles
H – Hazardous Materials
X – Combination Tank Vehicles and Hazardous Materials
M – Motorcycle
S – School Bus

Hit the Open Road

louisiana CDL License Test Tips

Each applicant will be required to successfully pass one or more knowledge tests in order to move onto the practical skills test to receive their CDL. A passing score must be received for each test taken and is considered at 80 percent or higher. General knowledge tests are 50 to 70 questions in length and are required when applying for any Louisiana Class CDL. Those looking to have endorsements on their CDL will need to pass one additional knowledge test per endorsement.

Each applicant, regardless of Class, is required to pass a three-part practical skills test. This includes a pre-trip vehicle inspection, basic control skills, and an on-road driving test. This test ensures that the applicant is able to inspect a vehicle for safety, operate the vehicle, and can handle the vehicle with different road situations.

Additional Information

Information on the Louisiana Office of Motor Vehicles (OMV)

The Louisiana Office of Motor Vehicles Public Safety Services regulates CDL requirements in Louisiana. To get more information contact them via:

Website: http://dpsweb.dps.louisiana.gov/

Phone:  888.214.5367

 

Additional Louisiana CDL Helpful Links

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