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

A shipper’s certification is best described as _____.

2 / 40

Why is it dangerous to unlock the pintle hook with the dolly still under the rear trailer?

3 / 40

Select the true statement in regards to quick steering movements and double trailers:

4 / 40

You are checking the_______when looking at the dipstick to see if the lubrication is at the safe operating range or above the refill line.

5 / 40

You should turn off your engine when loading flammable liquid unless:

6 / 40

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

7 / 40

What does it mean when the safety valve releases air?

8 / 40

What is the correct number of red reflective triangles that you should carry?

9 / 40

Charter drivers should not:

10 / 40

When there is a hazardous materials emergency. You should:

11 / 40

Commerical vehicles typically have this type of brake.

12 / 40

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

13 / 40

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

14 / 40

Secure baggage and freight in ways that avoid damage and:

15 / 40

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

16 / 40

The Emergency Response Guidebook (ERG):

17 / 40

What is the purpose of a baffle?

18 / 40

All standing riders must stay:

19 / 40

The safety valve is usually set to open at:

20 / 40

Select the true statement in regards to as why you should make sure the fifth wheel plate is greased as recommended:

21 / 40

The object that doesn't get checked at the side of the trailer is the:

22 / 40

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

23 / 40

Drivers placard their vehicle to _____ the risk.

24 / 40

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

25 / 40

The compressor is connected to the engine via _____?

26 / 40

What is most likely to occur when driving a tanker truck and the front wheels begin to skid?

27 / 40

You should___to reduce the air leakage rate.

28 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

29 / 40

Students exit the bus and walk:

30 / 40

With Division 1.2 or 1.3 Explosive B, how close to the travelled part of the roadway can you park?

31 / 40

You are required to have a tank endorsement when transporting:

32 / 40

What handling effect will baffles have?

33 / 40

To maintain alertness during the trip, drivers should:

34 / 40

What color and shape is the trailer air supply control?

35 / 40

The 3 parts of the air brake system are: service brakes, parking brakes, and ____.

36 / 40

You downshift automatic transmissions ______.

37 / 40

The air leakage rate for a combination vehicle should not exceed ____psi a minute.

38 / 40

The sliding mechanism and locking device for a tandem axle on trailers is:

39 / 40

What might happen if a trailer is too high when you try to couple?

40 / 40

Why should you use chocks when parking a trailer without spring brakes?

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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.