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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. When backing, you should:
use a helper if possible.
back quickly.
back and turn toward the right side.
avoid using the mirrors.
2. The only way to stop a front-wheel skid is to:
let the vehicle slow down.
supply more power to the drive wheels.
All of the above.
3. To reduce the chance of rollover, you should:
distributed the cargo as low as possible inside the trailer.
put the lightest parts of the cargo under the heaviest parts.
place the cargo as high as possible inside the trailer.
None of the above.
4. The service brake system:
applies and releases the parking brakes.
applies and releases the brakes when you use the brake pedal during normal driving.
applies and releases the emergency brake.
None of the above.
5. When driving on wet roads, you should:
follow the vehicle ahead more closely than under ideal driving conditions.
reduce speed by about one-third.
reduce speed by 60%.
pull of the road and get some rest.
6. When checking your mirrors you should:
use both mirrors.
only use the passenger side mirror.
not make regular checks.
only use the driver side mirror.
7. The tire load for each tire is stated:
on the inside of the tire.
on the side of the tire.
on the tread of the tire.
on the vehicle's operator manual.
8. Under-loaded front axles can:
cause the drive wheels to spin easily.
make the steering axle weight too light to steer safely.
cause poor traction.
All of the above.
9. Your vehicle must be equipped with:
Warning devices for parked vehicles
Fire extinguisher(s)
Spare electrical fuses
All of the above.
10. Shaded parts of the road:
usually are not slippery.
usually don't freeze.
will remain icy and slippery after other areas have melted.
will melt before open areas.
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KS CDL Practice Test

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