GENERAL KNOWLEDGE CDL TEST LOUISIANA - PRACTICE TEST
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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.
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1.
When drivers make a turn they should:
look in the opposite direction of the turn.
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look behind the vehicle.
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look far ahead.
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look in the direction they are going to turn.
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2.
Front-end header boards:
protect you from your cargo in case of an emergency stop.
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protect you from your cargo in case of a crash.
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block the forward movement of your cargo.
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All of the above.
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3.
If you are feeling drowsy, before driving you should:
wait at least 30 minutes.
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drink some coffee.
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get some sleep.
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drink soda.
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4.
When driving through a large puddle or flowing water, you should:
slow down.
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increase engine rpm.
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gently put on the brakes.
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All of the above.
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5.
Alcohol:
does not affect judgement.
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improves reaction time.
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improves muscle coordination.
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impairs depth perception.
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6.
On front tires, tread should be at least:
4/16 inch
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4/32 inch
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1/16 inch
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2/32 inch
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7.
Which of the following is NOT true about escape ramps?
Escape ramps are found on many mountain downgrades.
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Escape ramps use a long bed of loose, soft material to slow runaway vehicles.
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Escape ramps are made to stop runaway vehicles safely.
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Any driver who loses brakes going downhill should avoid using an escape ramp, if possible.
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8.
If you are being tailgated, you should:
increase your following distance.
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flash your brake lights.
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speed up.
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move to the left lane.
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9.
Hydroplaning is most likely to occur:
right before it starts to rain.
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at speeds below 30 mph.
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when it's been raining for over an hour.
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right after it starts to rain.
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10.
You may get a clue that a driver may be going to make a turn from:
the rear lights of the driver's vehicle.
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the driver's head and body movements.
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slow moving or stalled traffic in a traffic lane.
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the driver weaving across the road.
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LA CDL Practice Test
Number of questions: | 50 |
Correct answers to pass: | 40 |
Passing score: | 80% |
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