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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. Effects of distracted driving include:
delayed decision making.
slowed perception.
failure to perceive an important traffic event.
All of the above.
2. When approaching a stopped bus, you must be aware that:
passengers may cross in front of or behind the bus.
passengers crossing in front of the bus can always see you.
a student may be driving the bus.
passing a stopped bus is illegal.
3. Which of the following statements about overhead clearance is true?
The weight of a cargo van changes its height.
If the road causes your vehicle to tilt, you should drive a little closer to the side of the road.
You should assume the heights posted at bridges and overpasses are correct.
All of the above.
4. If you feel drowsy while driving, you should:
get some coffee.
pull off the road and get some rest.
stop yawning.
fall asleep.
5. Before transporting a sealed load, you must check that:
the load is properly secured.
the placard numbers and the seal numbers match.
the seal on the load is secure.
the cargo is piled up.
6. Which of the following is a common cause of fire?
Short circuits due to loose connections.
Under-inflated tires and duals that touch.
Improperly sealed cargo.
All of the above.
7. When driving in a construction zone, if a construction worker is near the road, you should:
come to a complete stop.
further reduce your speed.
maintain a constant speed.
speed up.
8. On a level surface:
should never be used if the brakes are very wet.
wheel chocks make it easier for the vehicle to roll.
wheel chocks should not be used when the brakes are very hot.
you should use wheel chocks to hold the vehicle.
9. When starting your vehicle, the warning lights and buzzers:
should stay on until you manually turn them off.
should stay on for 15-20 seconds.
should stay on for 2 minutes.
should go out right away.
10. In a convex mirror everything appears:
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KS CDL Knowledge Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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