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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. Texting while driving a CMV is:
safer than talking on the phone.
acceptable if the message less than 140 characters.
acceptable if the message work-related.
2. When crossing railroad tracks, you should:
put the transmission in Neutral.
shift gears while crossing the tracks.
not stop.
try to pass slower vehicles.
3. What three things add up to total stopping distance?
Reaction distance + braking distance
Braking distance + stopping distance
Perception distance, reaction distance and braking distance
Reaction distance + viewing distance + braking distance
4. While crossing railroad tracks, you should:
stop, then look and listen for the train.
not shift gears.
shift down.
shift up.
5. When crossing or entering traffic with a heavy vehicle:
you can count on other drivers to move out of your way so you can safely enter the flow of traffic.
you may need a much larger gap to enter traffic than you would in a car.
you should allow more room if your vehicle is not loaded.
None of the above.
6. If driving a vehicle equipped with power steering, you should check:
fluid level.
check pumps.
All of the above.
7. During a hazardous materials emergency, you should:
warn others of the danger.
prevent smoking and keep open flames away.
keep everyone away.
All of the above.
8. Which of the following statements about backing is TRUE?
You should avoid backing whenever you can.
When you have to back, you should back and turn toward the driver's side whenever possible.
Backing is always dangerous.
All of the above.
9. Rust around wheel nuts may mean:
the nuts are too tight.
the weather is wet.
the wheels or rims have had welding repairs.
the nuts are loose.
10. If brakes fail on a long downgrade, you should:
set the parking brake.
pump the brake pedal 3 times.
turn off the engine as soon as you.
use an escape ramp if it is available.
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Number of questions: 50
Correct answers to pass:40
Passing score:80%
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