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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. Regardless of its size, cargo should have at least ___ tie-downs.
2. If your vehicle gets stuck on a railroad track, you should:
stay in the vehicle and call your dispatcher or supervisor for instructions.
get out of the vehicle and walk as far away from the tracks as possible.
try to re-start the vehicle.
stay in the vehicle and call for help.
3. What is an important thing to remember about emergency braking?
You should never use stab braking.
Your natural response (hitting the brakes) is never the right solution.
The more heavily loaded semitrailer trailer should be in the rear.
Pushing down on the brake pedal as hard as you can will only keep the wheels locked up and cause a skid.
4. Retarders:
reduce the danger of slipping.
improve gas mileage.
help slow a vehicle, reducing the need for using brakes.
reduce braking distance.
5. When inspecting brakes, you should look for:
cracked drums.
shoes worn dangerously thin.
pads with oil, grease, or brake fluid on them.
All of the above.
6. Which of the following statements about retarders is NOT correct?
Retarders help you avoid skids.
Retarders help slow a vehicle, reducing the need for using brakes.
Retarders reduce reduce brake wear.
You should turn the retarder off whenever the road is wet, icy, or snow covered.
7. On wet roads, you must drive slower to be able to stop in the same distance as on a dry road. Reduce speed by about _______ when driving on a wet road.
60 percent
70 percent
8. During a pre-trip inspection, you discover a power steering leak. You should:
report the problem after your trip and try to stay on schedule.
try to fix the problem while driving.
report the problem and make arrangements to use another vehicle.
report the problem and start your trip, driving slower than normal.
9. _________ can make vehicle handling unsafe.
Poor weight balance
Poor ventilation
Dry roads
10. The vehicle inspection report:
tells the motor carrier about problems that may need fixing.
tells the shipper how to package the materials.
ensures that vehicle inspections are conducted regularly.
ensures that when the driver gets behind the wheel, the mechanic is responsible for the safe operation of the vehicle.
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CDL Knowledge Test WY

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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