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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. You should check wheel bearing seals for:
illegal stickers.
broken leaf springs.
2. The liver can only process ______ of alcohol per hour, much ____ than the alcohol in a standard drink.
1/8 an ounce; more
1/3 an ounce; less
one ounce; less
one ounce; more
3. Which of the following statements about drugs is true?
Possession and use of a drug given to a driver by a doctor is never permitted.
Use of drugs can lead to traffic accidents.
All over-the-counter drugs are safe to use while on duty.
Some "controlled substances" are allowed to reduce fatigue.
4. Empty trucks require greater stopping distances because:
empty vehicles have less traction.
fully loaded trucks have less traction.
they are usually equipped with power brakes.
All of the above.
5. If you are carrying a heavy load that is slowing you down, you should:
drive in the right lane.
keep the vehicle in third gear.
drive in the left lane.
drive on the shoulder.
6. In cool weather, as the temperature rises to the point where ice begins to melt:
traction will increase.
it is safe to drive.
black will makes the road look wet.
the road will become more slippery.
7. To determine how much space you should keep in front of you, one good says you need at least ______ for each 10 feet of vehicle length at speeds below 40 mph.
3 seconds
2 seconds
4 seconds
1 second
8. The Individual Vehicle Distance Record (IVDR) must include all of the following except:
Total distance traveled
Trip origin and destination
Number of stops
Date of trip
9. The application pressure gauge:
tells you how much pressure is in the air tanks.
protects the tank and the rest of the system from too much pressure.
stops the compressor from pumping air.
shows how much air pressure is being applied to the brakes.
10. Stopping distance can be affected by:
Perception Distance
Reaction Distance
All of the above.
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KS CDL Practice Test

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