CDL PRACTICE TEST - GENERAL KNOWLEDGE (LOUISIANA)

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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. Road surfaces where water collects can create conditions that cause a vehicle to hydroplane. Which of the following is an indication of standing water?
Tire splashes
Raindrops on the road
Clear reflections
All of the above.
2. Which of the following statements about overhead clearance is true?
If the road causes your vehicle to tilt, you should drive a little closer to the side of the road.
The weight of a cargo van changes its height.
You should assume the heights posted at bridges and overpasses are correct.
All of the above.
3. If your vehicle thumps or vibrates heavily, it may be a sign that:
the brakes have failed.
the engine belt is loose.
one of the tires has gone flat.
you need to shift up.
4. Which of these is NOT a thing to do when caring for the injured at the scene of a crash?
Keep the injured persons cool.
Stop heavy bleeding by applying direct pressure to the wound.
If a qualified person is helping the injured, stay out of the way unless asked to assist.
Move a severely injured person if the danger of fire or passing traffic makes it necessary.
5. Which of the following statements about driving in areas with strong winds is true?
Wind can be a problem especially when you enter a tunnel.
The problem is usually worse for heavier vehicles.
You should drive alongside other vehicles to help break up the wind.
Strong winds make it difficult to stay in your lane.
6. Foundation brakes are used:
only with the rear wheels.
at each wheel.
only with the front wheels.
only with the right wheels.
7. When using your turn signals, you should:
turn the signal off before you turn.
signal only if vehicles are in front of you.
signal only if vehicles are behind you.
signal well before you turn.
8. To back-up safely, you should:
use mirrors on both sides.
start in the proper position.
look at your path.
All of the above.
9. When crossing railroad tracks, you should:
try to pass slower vehicles.
put the transmission in Neutral.
shift gears while crossing the tracks.
not stop.
10. Mirror adjustment should be checked:
once a week.
only if you plan on using them.
once a month.
prior to the start of any trip.
 
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LA CDL Knowledge Test

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