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The CDL general knowledge test is required to be taken by all CDL applicants. The Louisiana CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Louisiana CDL Manual. All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual LA general knowledge test! To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1. Vehicle inspections:
should be performed once a week.
should not be done by the shipper.
should only be done when a vehicle defect is found.
are important because vehicle defects found during an inspection could save you problems later.
2. If your drive wheels begin to spin, you should:
use the Anti-lock Braking System.
pump the brake pedal three times.
take your foot off the accelerator.
use the parking brake.
3. When you inspect the front of your vehicle as part of the walk around inspection, you check all of the following EXCEPT:
the condition of your front axle.
the air pressure gauge.
the condition of the windshield.
the condition of the steering system.
4. Tire load is defined as:
the minimum safe weight a tire can carry at a specified pressure.
the weight transmitted to the ground by 1 tire.
the minimum tire pressure.
the maximum safe weight a tire can carry at a specified pressure.
5. Distracted driving can cause collisions. Which of the following can distract your attention while you are driving?
Listening to music.
Talking to passengers.
Driving below the speed limit.
All of the above.
6. When faced with an emergency, drivers should:
immediately drive to the nearest police station.
drive away as quickly as possible.
come to a stop if it is safe to do so.
make a U-turn and go in the opposite direction.
7. If you are being tailgated, you should:
increase your speed very gradually.
make quick changes.
turn on your taillights.
open up room in front of you.
8. Which of the following is NOT a good rule for using turn signals?
Signal well before you turn.
Cancel your signal after you have turned.
Put your turn signal on after the turn.
Signal continuously until you have completed the turn.
9. The best way to test the trailer service brakes is to:
put the handbrake on when there are no vehicles around you.
accelerate to the maximum possible speed, then apply the trailer brakes fully.
pull forward quickly, then apply the trailer brakes with your hand control.
None of the above.
10. It's very important to distribute the cargo so it is:
in the centre of the load.
piled up.
as high up as possible.
as low as possible.
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LA CDL Practice Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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