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

What is the best way to see the sides and rear of your vehicle?

2 / 40

In what position should shut off valves on the rear of the last trailer be in on a set of double trailers?

3 / 40

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

4 / 40

Overhead inside mirror is used to:

5 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

6 / 40

School buses are one of the safest means of transportation. What two key factors contribute to this impressive safety record?

7 / 40

What is a supply pressure gauge used for?

8 / 40

You must not allow riders to stand:

9 / 40

How do you check the air compressor governor "cut in" and "cut out" pressures?

10 / 40

If you have riders on board, you must never refuel:

11 / 40

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

12 / 40

Select the true statement about handling triples and doubles:

13 / 40

Select the load of the trailer that will require the shorter distance to stop.

14 / 40

How can you check slack adjusters?

15 / 40

Suspension systems:

16 / 40

Before pulling away, make sure the landing gear of the trailer is:

17 / 40

Select the true statement about double or triple trailers.

18 / 40

The best way to have control on curves is:

19 / 40

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

20 / 40

What do yo need to do before supplying air to the air tanks of the second trailer?

21 / 40

Another term for a smooth bore tank is:

22 / 40

Why should you know the outage?

23 / 40

What do you do first during step 3 of starting the engine and inspecting the inside of the cab?

24 / 40

Remember to____when connecting the converter dolly to the rear trailer.

25 / 40

Which trailer is most likely to turn over when you make a sudden turn while pulling doubles?

26 / 40

Your engine runs a pump when you are delivering compressed gas. Should you turn off your engine before or after you unhook the hoses after finishing that delivery?

27 / 40

Select the statement that tells you how you can check the low pressure warning signal.

28 / 40

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

29 / 40

This gauge will indicate if the generator or alternator is charging:

30 / 40

What are some of the important parts in the steering system?

31 / 40

There are 2 reasons as to why hauling liquids take special care. One reason is the ___center of gravity.

32 / 40

The compressor is connected to the engine via _____?

33 / 40

When approaching railroad tracks, stop your bus:

34 / 40

What must vehicles with air brakes have?

35 / 40

With the controlled braking method, you _____?

36 / 40

Why does it take special skills to haul a tank vehicle?

37 / 40

You should____to check the free play of manual slack adjusters on S-Cam brakes.

38 / 40

What does it mean when the safety valve releases air?

39 / 40

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?

40 / 40

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

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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.