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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. Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.
for one day
several times
for 3 days
for one stop
2. Drivers transporting cargo are responsible for:
inspecting the cargo.
recognizing overloads.
making sure the cargo is properly secured.
All of the above.
3. When driving in foggy conditions you should:
flash your brake lights.
speed up.
slow down.
drive on the shoulder.
4. When shifting up, you should release accelerator, push in clutch and shift to neutral at the same time, and then?
Push in the clutch again
Shift up
Release the clutch
Press the accelerator
5. Railroad crossings with steep approaches:
require drivers to shift gears while crossing the tracks.
require drivers to increase their speed before crossing the tracks.
can cause your unit to hang up on the tracks.
are the safest type of railroad crossing.
6. If you are being tailgated, you should:
avoid quick changes.
avoid tricks.
increase your following distance.
All of the above.
7. To test your hydraulic brakes for leaks:
pump the brake pedal three times, then hold it down for five seconds.
turn off the engine and and listen for leaks.
apply firm pressure to the brakes for five seconds, then pump them three times.
None of the above.
8. How can you tell if your vehicle is equipped with anti-lock braking system (ABS)?
Trailers will have yellow ABS malfunction lamps on the left side.
Look under the vehicle for the wheel speed sensor wires coming from the back of the brakes.
Look for yellow ABS malfunction lamps on the instrument panel.
All of the above.
9. The air tanks should be drained completely to remove:
water and oil.
carbon monoxide.
the radiator cap.
10. While crossing railroad tracks, you should:
stop, then look and listen for the train.
shift up.
not shift gears.
shift down.
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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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