CDL Practice Test


Use this site as you prepare to take the Ohio CDL test. You can work through these practice test questions as you prepare for the Ohio CDL Test. The questions on these practice tests will gauge your knowledge on the various areas that apply to obtain a CDL in Ohio. This site is completely free and you are welcome to take the practice tests as many times as you would like. 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

Double and triple trailers should be driven with care to avoid a rollover or jacknife.

2 / 40

The act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others is known as.

3 / 40

Which of the following statements about overhead space is true?

4 / 40

Select the true statement about retest markings:

5 / 40

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

6 / 40

How often should you check the tires if your placarded trailer has dual tires?

7 / 40

The compressor is connected to the engine via _____?

8 / 40

An emergency escape ramp should be used _____.

9 / 40

School buses are one of the safest means of transportation. What two key factors contribute to this impressive safety record?

10 / 40

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

11 / 40

What is the brake system that applies and releases the brakes when the brake pedal is used?

12 / 40

To test the security of the tractor semi trailer connection you should:

13 / 40

Select the false statement about tractor protection valves.

14 / 40

Select the two reasons as to why special care is needed when driving a tank vehicle:

15 / 40

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

16 / 40

Is this statement true or false: You do not need to use the parking brake if are leaving your vehicle for a short amount of time.

17 / 40

What does the air compressor governor control?

18 / 40

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

19 / 40

Which of the following is a reason that shippers package material?

20 / 40

The best way to test the low air pressure warning signal is to:

21 / 40

For what reason do you keep the starter switch key in your pocket during the pre-trip inspection?

22 / 40

Select the statement that best explains the "crack-the-whip" effect.

23 / 40

What is a supply pressure gauge used for?

24 / 40

You can be sure air is supplied to the second trailer by:

25 / 40

Select the answer that is controlled by the foot brake.

26 / 40

What will happen right away should the service air line come apart but the emergency line is intact while driving a combination vehicle?

27 / 40

A placarded vehicle must carry what type of fire extinguisher?

28 / 40

Which of these statements about speed management and braking is true?

29 / 40

With the controlled braking method, you _____?

30 / 40

Select the true statement in regards to an application pressure gauge:

31 / 40

The walls that separate compartments inside the tanks and having openings at the top and bottom are called:

32 / 40

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

33 / 40

How should the hand valve be used?

34 / 40

What is the best way to figure out how many seconds of following distance you have?

35 / 40

Why does it take special skills to haul a tank vehicle?

36 / 40

A vehicle placarded for Division 1.1, 1.2, or 1.3 explosives:

37 / 40

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

38 / 40

How do you make sure the trailer height is correct before coupling?

39 / 40

Overhead inside mirror is used to:

40 / 40

Placarded vehicles must carry which type of fire extinguisher?

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CDL Category Practice Tests

CDL Practice Test

How To Get A ohio Commercial Drivers License

To be eligible for a CDL in Ohio, applicants must meet the following age eligibility requirements.

  • Be at least 18 years old to operate a commercial vehicle intrastate (within Ohio only).
  • Be at least 21 years old to operate a commercial vehicle interstate (outside of Ohio).

Ohio CDL applicants must be medically certified that they are medically capable of operating a commercial vehicle and pass a vision test. Ohio applicants must get assistance with completing the forms from a CDL-certified doctor.

Applicants are required to submit the following documents.

  • Medical Examiner’s Certificate
  • (Form 649-F) Medical Examination Report for Commercial Driver Fitness Determination

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Ohio. Applicants can be disqualified for having multiple licenses.

Ohio CDL Endorsements
H – Hazmat Vehicles
N – Tank Vehicles
P – Passenger Vehicles
S – School Bus
T – Double or Triple Trailer
X – Combination Tank Vehicles and Hazmat Vehicles

Hit the Open Road

ohio CDL License Test Tips

All Ohio CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Ohio test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The Ohio skills test can be taken 14 days after applicants pass the knowledge test. It includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section.

Military veterans and active military members can apply to have the skills exam waived if they meet the requirements. To qualify for a waiver, applicants must:

  • Be active duty military personnel.
  • Operate a commercial vehicle as part of their military duties.
  • Have been honorably discharged from the military within the past 12 months.
  • Submit an Application for CDL Skills Test Waiver.

Additional Information

Information on the Ohio Bureau of Motor Vehicles

The Ohio Department of Public Safety Bureau of Motor Vehicles oversees CDL license requirements in Ohio. To get more information contact them via:

Website: https://www.bmv.ohio.gov/dl-cdl-testing.aspx

Phone: 844.644.6268


Additional Ohio CDL Helpful Links

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