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The CDL general knowledge test is required to be taken by all CDL applicants. The Wyoming 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 Wyoming 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 WY 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. If your vehicle is hydroplaning, you should:
put the vehicle in reverse.
speed up.
stay off the brake.
apply the brakes.
2. A steering wheel play of more than ___ degrees can make it hard to steer.
3. Which of the following is NOT a type of retarder?
4. When driving, you should:
avoid using your mirrors to spot overtaking vehicles.
use your mirrors only when changing lanes.
avoid checking your mirros often.
check your mirrors regularly.
5. Which of the following statements about brake shoes is true?
brakes can fade or fail from excessive heat caused by relying too much on the engine braking effect.
Brake shoes should be thinner than ¼ inch.
Brake drums must have cracks longer than half the width of the friction area.
None of the above.
6. You cannot inspect sealed loads, but you should:
check that the content matches the description on the shipping paper.
make sure the cargo is piled up high.
check that you do not exceed gross weight and axle weight limits.
check that the lightest parts of the cargo are under the heaviest parts.
7. An advantage of going right instead of left around an obstacle is that:
There is no real advantage.
By turning right, you will force other drivers into an opposing traffic lane.
No one is likely to be driving on the shoulder, but someone may be passing you on the left.
Turning right comes more natural in emergency situations.
8. Empty trucks require greater stopping distances because:
empty vehicles have less traction.
they are usually equipped with power brakes.
fully loaded trucks have less traction.
All of the above.
9. The most important reason you inspect your vehicle is:
because Federal and state laws require that drivers inspect their vehicles.
to avoid insurance premium hikes.
10. When you're in an accident and not seriously hurt, to help any injured parties you should:
Give the injured person a cold drink.
Keep the injured person warm.
Get the injured person to stand up.
None of the above.
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WY CDL Practice Test

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