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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. To know when to shift, you can use each of the following except:
road speed.
engine speed.
engine sounds.
perception distance.
2. When you are being tailgated, you should NOT:
avoid quick changes.
turn on your taillights.
increase your following distance.
All of the above.
3. The Individual Vehicle Distance Record (IVDR) must include all of the following except:
Trip origin and destination
Total distance traveled
Date of trip
Number of stops
4. When a vehicle goes around a corner, the rear wheels:
will turn freely.
will lock up.
follow a different path than the front wheels.
follow the same path as the front wheels.
5. Before transporting sealed loads, you should check that:
the seal numbers match the placard numbers.
the load is properly secured.
the load can be inspected.
All of the above.
6. Axle weight is:
the maximum safe weight a tire can carry at a specified pressure.
the weight of one axle.
the weight any axle or combination of axles transmits to the ground.
the loaded weight of a single vehicle.
7. When driving a double or triple, you should:
drive with emergency flashers on.
decrease your following distance.
increase your following distance.
drive in the left lane whenever possible.
8. The liver can only process ______ of alcohol per hour, much ____ than the alcohol in a standard drink.
1/3 an ounce; less
one ounce; more
1/8 an ounce; more
one ounce; less
9. Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
the parking brake should never used to slow the vehicle.
pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
shifting into neutral may help slow the vehicle.
All of the above.
10. Which of the following statements about managing space is true?
If you find yourself being tailgated, you should increase your following distance.
Smaller vehicles require more space to stop than larger ones.
You need at least 1 second for each 10 feet of vehicle length at speeds above 40 mph.
Full tank vehicles may take longer to stop than empty ones.
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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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