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

Which of the following is something the driver must watch for:

2 / 40

Wet brakes can cause _____.

3 / 40

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

4 / 40

Mirrors with a convex surface or "spot" mirrors _____.

5 / 40

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

6 / 40

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

7 / 40

It takes special care to drive tankers with liquid in them because:

8 / 40

What are spring brakes?

9 / 40

What does the air compressor governor control?

10 / 40

It has just reached freezing. Which of the following areas is slippery?

11 / 40

The minimum tread depth for tires other than the front tires is ____.

12 / 40

Double and triple trailers should be driven with care to avoid a rollover or jacknife.

13 / 40

Select the false statement about tractor protection valves.

14 / 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:

15 / 40

Check that the parking brake will hold by____when the parking brake is engaged and the trailer brakes released if not a combination vehicle.

16 / 40

How do you determine if slack adjusters need to be adjusted?

17 / 40

You should brake on a long steep downgrade hill as a supplement to the braking effects of the engine

18 / 40

Select why you should not use the trailer hand valve while driving:

19 / 40

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

20 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

21 / 40

Air pressure loss in a vehicle with a fully charged air system should be less than_______after the initial drop and brake applied.

22 / 40

Which of the following is NOT a basic step to be taken at a crash scene?

23 / 40

What does it mean when the safety valve releases air?

24 / 40

Select the true statement in regards to handing triples and doubles

25 / 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.

26 / 40

A placarded vehicle must carry what type of fire extinguisher?

27 / 40

When does your vehicle's single brake system need an adjustment?

28 / 40

If you are drowsy, you should _____ before you drive.

29 / 40

Select how brakes work on long, steep downgrades:

30 / 40

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

31 / 40

What is the reason that placards are used?

32 / 40

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

33 / 40

You should check your mirrors while making a lane change:

34 / 40

At the end of each shift you should:

35 / 40

How do you check the coolant level?

36 / 40

The Emergency Response Guidebook (ERG):

37 / 40

You must control how far packages labeled "Radioactive II" or "Radioactive III" are located from people and cargo space walls by referring to:

38 / 40

How do you check the power steering fluid?

39 / 40

What action should you take before driving while drowsy?

40 / 40

Which seats not securely fastened to the bus are usually allowed?

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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.