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

When inspecting the ______you are making sure that the lines and hoses are not chafed, cut, pinched, or dragged against tractor parts.

2 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

3 / 40

Select the true statement in regards to crossing your air lines on a new trailer with spring brakes

4 / 40

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

5 / 40

The best way to test if the spring brakes come on automatically is to:

6 / 40

What are the three types of emergency equipment that you must have with your vehicle?

7 / 40

How often should you check your cargo?

8 / 40

Select the true statement about stop valves in a cargo tank:

9 / 40

Select the best description of a baffle tank:

10 / 40

Select the part that is not a part of the drum brake:

11 / 40

You do not have to stop at railroad crossings, but must slow down and carefully check for other vehicles:

12 / 40

Which of the following statements about the bus interior is false?

13 / 40

This carries hydraulic fluid or air to the wheel brake assemby.

14 / 40

Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?

15 / 40

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

16 / 40

Shifting into a lower gear and removing your foot off of the accelerator to slow your vehicle is known as?

17 / 40

A "transport index" relates to products that are:

18 / 40

What color are all school buses painted?

19 / 40

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

20 / 40

What position should the heaviest trailer be in when pulling 3 trailers?

21 / 40

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

22 / 40

A leak rate for a straight truck or bus air brake system should not exceed _____psi per minute when the engine is off and the brakes are released.

23 / 40

Which of the following must be closed while the bus is in motion?

24 / 40

To decide which placards you need, if any, what three things do you need to know?

25 / 40

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

26 / 40

You should follow the posted speed limits for curves and be aware of:

27 / 40

A driver that hauls hazardous materials must attend training every:

28 / 40

Why is understanding the loading and unloading procedures so critical?

29 / 40

The manual says you should look _____ ahead while driving.

30 / 40

Select the vehicle that off-tracks the most.

31 / 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?

32 / 40

What should you check for when inspecting a converter dolly?

33 / 40

Select how brakes work on long, steep downgrades:

34 / 40

A battery box check is important. The battery must be secure, connection must be tight, and cell caps must be present. In addition these items should be checked:

35 / 40

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

36 / 40

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

37 / 40

Some school busses are marked with the LNG placard. What does LNG stand for?

38 / 40

Within 3 minutes, this gauge pressure should build to 90 psi from 50 psi.

39 / 40

Select the true statement in regards to large combination vehicles taking longer to stop.

40 / 40

Water is drained from the compressed air tanks because:

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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.