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The CDL general knowledge test is required to be taken by all CDL applicants. The Kentucky 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 Kentucky 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 KY 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. Confused drivers can be very hazardous. Clues to confusion include:
changing lanes for no apparent reason.
using brakes often.
All of the above.
2. In ideal conditions, if you are driving at 55 mph your vehicle will travel a minimum of _______ until you can bring it to a complete stop.
209 feet
At least 350 feet
250 feet
419 feet
3. After starting the engine, oil pressure should rise to a normal level:
within 6 minutes.
within 3 miles.
within seconds.
within 2 minutes.
4. If you are caught in strong winds, you should:
speed up while keeping a strong grip on the steering wheel.
keep a strong grip on the steering wheel and slow down or pull off the roadway.
immediately take your foot off the accelerator.
None of the above.
5. Too little weight on the driving axles can cause:
mechanical damage.
longer stopping distances.
poor traction.
poor visibility.
6. Emergency equipment is:
only required when transporting hazardous materials.
7. If there is a fire in your vehicle, do NOT:
park away from buildings and other vehicles.
notify emergency services.
park in an open area.
pull into a service station.
8. To release the parking brakes:
push the parking brake control knob in.
pull the parking brake control knob out.
place the parking brake control knob in Neutral.
pump the brake pedal 3 times.
9. If you recognize a distracted driver on the road, you should:
follow them closely.
give them plenty of room.
try to pass them.
flash your brake lights at them.
10. When driving, you should check mirrors regularly to know where other vehicles are around you. Remember that:
convex mirrors make things look larger and closer than they really are.
you should check your after the start of any trip to make sure they are properly adjusted.
every registered motor vehicle must have at least one mirror.
there are blind spots that your mirrors cannot show you.
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KY CDL Practice Test

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