kentucky
CDL Practice Test

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Welcome to the site for practicing questions on the Kentucky CDL test. The site is free and you are able to take the practice test as many times as you need to. Questions are from the KY CDL Manual and cover items such as Air Brakes, Double/Triple Trailers, Hazardous Materials, and School Busses. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit. You may not go back once you answer a question. Click the "Start Test" button below to begin.

1 / 40

What handling effect will baffles have?

2 / 40

If you are hauling hazardous materials and have ___ tires on your vehicle, you must stop and check them every time you park.

3 / 40

You should adjust all the outside left and right side convex mirrors to see:

4 / 40

Do not tow or push a disabled bus with riders aboard the vehicle, unless:

5 / 40

Which of the following materials would be an acceptable floor liner for moving Division 1.1 or 1.2 materials?

6 / 40

A driver of a tanker should use an escape ramp when _____.

7 / 40

Select how you can tell if your vehicle is equipped with an anti-lock braking system:

8 / 40

On tandem axle for trailers, the sliding mechanism and locking device is:

9 / 40

A driver that hauls hazardous materials must attend training every:

10 / 40

Select the true statement about tractor protection valve:

11 / 40

Select the statement that best describes what the trailer air supply control does:

12 / 40

What action should you take before driving while drowsy?

13 / 40

Select the first action to do when the low air pressure warning comes on:

14 / 40

Select the true statement about empty trucks:

15 / 40

Select the true statement about emergency brakes:

16 / 40

Select the true statement in regards to when a bulk tank vehicle stops at an intersection on a slippery surface:

17 / 40

Select the true statement in regards to stopping distance and speed:

18 / 40

Select the true statement in regards to as why you should make sure the fifth wheel plate is greased as recommended:

19 / 40

When should you not use the parking brakes?

20 / 40

What are the liquid tight separations between compartments inside tanks called?

21 / 40

Buses may NOT have recapped or regrooved tires:

22 / 40

In the slide mechanism of the sliding fifth wheel, this object should have no missing pins or be loose when fully engaged.

23 / 40

Select the true statement about empty trucks:

24 / 40

Which of these is a good rule for backing a straight bus?

25 / 40

Of the following hazardous material classes, which is the most dangerous?

26 / 40

Class A explosives must not be transported in a combination vehicle if the vehicle includes:

27 / 40

Remember to_____to prevent rollovers.

28 / 40

What should you hear when you have the hand valve on and are testing the trailer brakes by opening the service air line at the back of the trailer?

29 / 40

What is the stopping distance for a tractor trailer that is traveling at 55 mph on dry pavement?

30 / 40

When transporting hazardous waste, you must:

31 / 40

When arriving at the destination announce:

32 / 40

What are some of the important parts in the steering system?

33 / 40

Select the situation in which you should use the hand valve to park a combination vehicle.

34 / 40

What is the main difference between a portable tank and a cargo tank?

35 / 40

Why do air brakes take longer to stop than hydraulic brakes?

36 / 40

As the driver of a bus, how can you best avoid hindering other traffic on the highway?

37 / 40

What must vehicles with air brakes have?

38 / 40

Air tanks should be drained:

39 / 40

How often should you check your cargo?

40 / 40

What is the next step after securing the bus when you have an unruly child on board?

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CDL Category Practice Tests

CDL Practice Test

How To Get A kentucky Commercial Drivers License

All applicants must possess a valid Kentucky Class D driver’s license and meet all the below requirements to be eligible for their CDL. Applicants who are age 18 may apply for their CDL license. These drivers are restricted to in-state driving, may not operate school buses, or haul hazardous materials. Applicants must be 21 years of age or older to drive out-of-state and receive their School Bus and/or Hazardous Materials Endorsement(s). All drivers applying for their commercial driver’s license must provide the Division of Driver Licensing with a valid DOT medical card.

Drivers who fall into the below categories are disqualified from receiving their CDL:

  • Having more than one driver’s license.
  • Current license is suspended or revoked.
  • Being convicted of driving under the influence of alcohol within 24 months of submitting an application.
  • Being convicted of two or more serious moving violations within a 36 month period.

All CDL applicants are required to complete both knowledge tests as well as a practical skills test.

Endorsements
T – Double/ Triples
P – Passenger
N – Tank
H – Hazardous Materials
S- School Bus

Hit the Open Road

kentucky CDL License Test Tips

General knowledge tests for Class B and C driver applicants are comprised of 50 questions. Those applying for a Class A CDL are required to complete the initial 50 questions as well as 20 additional questions about combinations. Each endorsement requires the applicant to complete a separate knowledge assessment. Endorsements for Doubles/Triples, School Bus, Tank, and Passenger Transport are comprised of 20 questions. The Hazardous Materials Endorsement requires a 30 question test. Lastly, the removal of the Air Brake Restriction is comprised of 25 questions. All assessments must be passed with a score of 80 percent or better.

All applicants will need to take a skills test that assesses their ability to operate their intended vehicle. Once applicants receive their Kentucky CDL permit after completing the knowledge assessment(s), they may apply for the skills test 14 days later. The skills test is comprised of three different parts that will all be assessed in one testing session. These areas include the pre-trip inspection, basic control skills, and driving test. All applicants must successfully show their skills in all three of these areas to be considered eligible for their CDL.

Additional Information

Information on the Kentucky Division of Driver Licensing

The Kentucky State Police regulates CDL requirements in Kentucky. To get more information contact them via:

Website: http://kentuckystatepolice.org/drivers-testing/

Phone:  502.782.1800

 

Additional Kentucky CDL Helpful Links

Please use the links below to access more valuable Kentucky CDL testing resources and to learn more about practice driving tests for the state of Kentucky.