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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. Escape ramps are:
used by vehicles exiting the expressway.
used to stop runaway vehicles safely.
reserved for vehicles carrying dangerous goods.
reserved for combination vehicles.
2. In your mirror, you see a car approaching from the rear. The next time you check your mirror, you don't see the car. If you wish to change lanes, you should:
ease into the other lane slowly so the other car can get out of the way.
assume the car left the roadway and change lanes as normal.
wait until you are sure the car isn't in your blind spot.
None of the above.
3. If you triple the speed from 20 to 60 mph the impact and braking distance is:
12 times greater.
3 times greater.
6 times greater.
9 times greater.
4. When using a turn signal, which of the following is NOT true?
You should turn off your turn signal after you've turned.
You should signal early.
You should signal continuously.
You should cancel the signal before completing the turn.
5. The spring brakes come on:
when main air pressure is lost.
when air pressure in both air brake systems rises to a value set by the manufacturer.
when you bring the vehicle to a complete stop right away.
when you lose ABS control.
6. When driving past parked vehicles, you should:
turn on your taillights.
stay close to the vehicles.
sound your horn.
watch for clues that the parked vehicle is about to move.
7. To maintain alertness while driving, you should:
keep cool by opening the window while eating heavy foods.
take periodic breaks.
avoid short breaks and keep the window open.
rely on caffeine.
8. Which of the following statements about engine overheating is true?
You should never shut off an overheated engine until it cools.
Low speeds create more heat for the engine.
You should never remove the radiator cap or any part of the pressurized system until the system has cooled.
None of the above.
9. You should schedule trips for:
the middle of the night.
any time that fits your schedule.
the middle of the day.
the hours you are normally awake.
10. Before transporting a sealed load, make sure:
that there is a picture of its contents.
that the load can be inspected.
that you don't exceed gross weight and axle weight limits.
All of the above.
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WY CDL Knowledge 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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