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 are the dividers that are inside tankers that have an opening at the bottom and top?

2 / 40

Select the factors that can cause your brakes to fade or fail:

3 / 40

Select the action that is not recommended when driving on slippery roads:

4 / 40

The most stable tanker shape is:

5 / 40

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

6 / 40

You should be in the proper gear before going down a hill because:

7 / 40

_____ create a little above 90 degree angle between the adjuster arm and push rod when the brakes are released and no less than 90 degrees when the brakes are applied.

8 / 40

A leak rate for a straight truck or bus air brake system should not exceed _____psi per minute when the engine is off and the brakes are released.

9 / 40

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

10 / 40

The bolst, brackets, or bushings that attach the air bag and/or spring to the vehicle and axle frame are _____.

11 / 40

You should___to reduce the air leakage rate.

12 / 40

Select the correct setup for shut-off valves:

13 / 40

To decide which placards you need, if any, what three things do you need to know?

14 / 40

In Column 1 the symbol "I" means:

15 / 40

Should your air compressor stop working:

16 / 40

Which of the following statements about loading and unloading cargo tanks is false?

17 / 40

What are you checking when looking at the lubrication level on a dipstick?

18 / 40

Which of the following should you do when confronted by an aggressive driver?

19 / 40

____is what can legally hold the parking brake or emergency brake in position for a bus, truck, or truck tractor.

20 / 40

Spring brakes are usually held back by_____during normal driving.

21 / 40

Select the true statement in regards to your brake function when your ABS fails

22 / 40

Select the true statement in regards to brake drums or discs:

23 / 40

Charter drivers should not:

24 / 40

At a railroad crossing, the bus is required to stop at the stop line. If there is no clearly marked stop line, what is the required minimum and maximum stopping distance?

25 / 40

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

26 / 40

When would a drive-wheel skid result in a jackknife when pulling doubles?

27 / 40

How do you secure a second trailer to your combination vehicle?

28 / 40

When should you avoid using the parking brake?

29 / 40

Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?

30 / 40

A commercial motor vehicle (CMV) is defined as:

31 / 40

Which of the following statements about overhead space is true?

32 / 40

For any flatbed load you must have at least ____ tie downs.

33 / 40

It is very important that you never smoke around which hazard classes?

34 / 40

The method for testing hydraulic brakes for leaks is to _____.

35 / 40

When backing your vehicle, which of the following is NOT recommended

36 / 40

Select the part that is not a part of the drum brake:

37 / 40

Select the true statement in regards to the braking power of spring brakes.

38 / 40

Select the statement of what you should not do if you are required to drive through flowing water or deep puddles.

39 / 40

Tires should should be replaced:

40 / 40

Off-tracking happens when going around a corner and:

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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.