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

Which trailer is most likely to turn over when you make a sudden turn while pulling doubles?

2 / 40

Select how you would check the truck's slack adjusters.

3 / 40

A commercial motor vehicle (CMV) is defined as:

4 / 40

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

5 / 40

How do you check the connection after locking the kingpin into the fifth wheel?

6 / 40

Which of the following statements about special danger of loading and unloading is true?

7 / 40

Spring brakes are usually held back by_____during normal driving.

8 / 40

When inspecting your bus, you must make sure that:

9 / 40

What is always required before loading, driving, or unloading a tanker?

10 / 40

When transporting both hazardous and non hazardous materials, your bills must:

11 / 40

Why is the proper adjustment and use of all mirrors so vital to the safe operation of the school bus?

12 / 40

This object should not have any missing parts, be fully raised, the crank handle is secured, and that there is no damage to the frame.

13 / 40

If there is rust around the nuts, what may it indicate?

14 / 40

In column 1, the "D" symbol means:

15 / 40

Why are you required to take an exam about air brakes?

16 / 40

When a substance in the materials table is written in italics it means :

17 / 40

You should___to reduce the air leakage rate.

18 / 40

What handling effect should you expect when your tank has baffles?

19 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

20 / 40

Which seats not securely fastened to the bus are usually allowed?

21 / 40

Which is more likely to tip over due to the crack the whip effect?

22 / 40

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?

23 / 40

Select whether the following statement is true or false: Front wheel brakes are good to use in all conditions.

24 / 40

You do not have to stop at railroad crossings, but must slow down and carefully check for other vehicles:

25 / 40

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

26 / 40

What is the best way to stop all skids?

27 / 40

If you are already carrying 100 pounds of silver cyanide, what precautions must you take if you are given papers at a dock to carry 100 cartons of battery acid?

28 / 40

You must not allow riders to stand:

29 / 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.

30 / 40

Water is drained from the compressed air tanks because:

31 / 40

What will probably happen if the converter dolly is still under the second trailer and the pintle hook is unhooked?

32 / 40

The Emergency Response Guidebook (ERG):

33 / 40

Select the two things that are important in preventing a rollover:

34 / 40

A portable tank differs from a cargo tank in that ______.

35 / 40

What should you do if the low air pressure warning comes on for only one system in a truck or bus that has a dual air brake system?

36 / 40

Suspension systems:

37 / 40

Commerical vehicles typically have this type of brake.

38 / 40

Cargo tanks ____.

39 / 40

Surge affects the handling of a tanker by:

40 / 40

Why should you use chocks when parking a trailer without spring brakes?

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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.