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

Select the true statement in regards to a converter dolly:

2 / 40

What action should you take before driving while drowsy?

3 / 40

If you are stopped on an incline, how can you start moving without rolling back?

4 / 40

Overhead inside mirror is used to:

5 / 40

Which of the following statements about "Radioactive" labels is true?

6 / 40

How do you check the coolant level?

7 / 40

The emergency air line is _____and the service air line is____.

8 / 40

When would you lock some emergency roof hatches in a partly open position?

9 / 40

How do you check the air compressor governor "cut in" and "cut out" pressures?

10 / 40

How should the pintle hook be when backing a dolly under the second trailer?

11 / 40

A commercial motor vehicle (CMV) is defined as:

12 / 40

This carries hydraulic fluid or air to the wheel brake assemby.

13 / 40

When checking the wheelchair lift, the things you should look for are:

14 / 40

This should have no illegal stickers, dirt, obstructions, or damage to the glass.

15 / 40

____is the most common type of foundation brakes used by heavy vehicles.

16 / 40

Select the true statement:

17 / 40

Make sure that_____before you back under a trailer.

18 / 40

Two causes of tire fires are ______.

19 / 40

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

20 / 40

Select the reason as to why you should not use the trailer hand valve while driving.

21 / 40

The safety catch for the fifth wheel locking lever must be ____ for a coupling to be complete.

22 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

23 / 40

What color and shape is the trailer air supply control?

24 / 40

What is most likely to occur when driving double and a set of trailer wheels goes into a skid?

25 / 40

You are driving a 40 foot truck at 35 MPH, how much space (in seconds) should you keep in front of you?

26 / 40

Spring brakes are usually held back by_____during normal driving.

27 / 40

An emergency escape ramp should be used _____.

28 / 40

When backing, what is the best method to use to avoid blind spots?

29 / 40

You should keep a minimum of ____between another vehicle and the double trailer with 100 ft truck driving at 30 mph.

30 / 40

You should check your mirrors while making a lane change:

31 / 40

Bus drivers must have a commercial driver license if they drive a vehicle designed to seat more than:

32 / 40

When driving in very hot temperatures, you should:

33 / 40

Select the statement that is true in regards to managing space to the sides.

34 / 40

Buses may NOT have recapped or regrooved tires:

35 / 40

What is the most important reason for doing a vehicle inspection?

36 / 40

Why should you know the outage?

37 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

38 / 40

What should you hook up before backing a tractor to a trailer for coupling?

39 / 40

On the Hazardous Materials Table, column 1 shows:

40 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

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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.