In Partnership with Kansas City, Kansas Public Library

View instructions
The CDL general knowledge test is required to be taken by all CDL applicants. The Kansas 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 Kansas 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 KS 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. When should you sound your horn?
When you are about to change lanes.
When you are being tailgated by an aggressive driver.
When using your horn can help avoid an accident.
When steering around an obstacle.
2. What is the minimum number of tie-downs for a 20 foot load?
3. Tar in the road pavement often rises to the surface in very hot weather. Spots where the tar "bleeds":
are very slippery.
will cause your vehicle to slide back and forth.
have good traction.
will help you get better gas mileage.
4. Which of the following statements about driving in hot weather is true?
Spots where tar "bleeds" to the surface provide better traction.
If a tire is too hot to touch, you should hose it down with water.
You should check the tire mounting and air pressure before driving.
All of the above.
5. You cannot inspect sealed loads, but you should:
check that the content matches the description on the shipping paper.
check that the lightest parts of the cargo are under the heaviest parts.
check that you do not exceed gross weight and axle weight limits.
make sure the cargo is piled up high.
6. When driving, you should check your mirrors:
every 4 seconds.
every 10 seconds.
only when there may be a problem.
7. When driving, you:
should always use turn signals to tell other drivers your intentions.
should only use turn signals if there is a vehicle behind you.
should carefully evaluate road and traffic conditions to decide if you should use turn signals.
should not use turn signals when the road is empty.
8. In vehicles with air brakes, the air compressor governor:
controls when the air compressor will pump air into the air storage tanks.
controls when the air storage tanks will pump air into the air compressor.
controls how much air the air compressor will pump into the air storage tanks.
None of the above.
9. Distracted driving can cause accidents. To avoid distractions while on the road, you should:
plan your route while driving only if there are no cars around you.
limit the use of your mobile phone to the first hour of driving.
smoke, eat, and drink only when traffic conditions allow.
turn off all communication devices.
10. It is important to shift gears correctly to keep:
the engine cool.
control of the vehicle.
the engine warm.
the engine oil flowing.
Page 1 of 5
Next page


Number of questions: 50
Correct answers to pass:40
Passing score:80%
Share This Online CDL Test
Rate this CDL Test
4.5 out of 5
based on 165 votes