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

Select when you should use the parking brake:

2 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

3 / 40

Front wheel brakes are good under what kind of conditions?

4 / 40

If you are driving a 100-foot truck with double trailers at 30 mph in dry conditions, how many seconds of space should there be between your truck and other vehicles?

5 / 40

Suspension systems:

6 / 40

Before backing under the trailer you should______when coupling a tractor and trailer with air lines already connected.

7 / 40

Why should you cover cargo?

8 / 40

Select the accurate statement in regards to rolling up the landing gear to complete the coupling process.

9 / 40

Cargo tanks are:

10 / 40

Drivers placard their vehicle to _____ the risk.

11 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

12 / 40

How high should you crank the landing gear?

13 / 40

Which of these statements about signaling is correct?

14 / 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?

15 / 40

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

16 / 40

The amount of liquid you can carry depends on:

17 / 40

Which contains more alcohol: a 12-ounce glass of 5% beer, a 5-ounce glass of 12% wine or a 1 1/2-ounce shot of 80 proof liquor?

18 / 40

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

19 / 40

Before pulling away, make sure the landing gear of the trailer is:

20 / 40

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

21 / 40

Which of the following types of cargo can never be carrier on a bus with riders?

22 / 40

How far away are you required to park from a bridge, tunnel, or building if you are carrying Division 1.2 or 1.3 materials?

23 / 40

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

24 / 40

How do you check the coolant level?

25 / 40

Which hazard classes must you NEVER smoke, or perform any activity involving fire, within 25 feet of?

26 / 40

Air tanks need to be drained:

27 / 40

When transporting explosives you may not park:

28 / 40

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

29 / 40

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

30 / 40

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

31 / 40

Select what you should not do when coupling the glad hands.

32 / 40

______is a device that connects the service and emergency air lines between the tractor and trailer.

33 / 40

Which of the following types of cargo must never be carried on a bus with passengers?

34 / 40

A placarded vehicle must have at least ___ placards?

35 / 40

Select the vehicle that off-tracks the most.

36 / 40

Select the true statement in regards to driving a truck with triple or double trailers:

37 / 40

At around____the governor allows the air compressor to start pumping again:

38 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

39 / 40

Unless you_____you will feel the effects of a liquid surge.

40 / 40

Select the portion of the combination vehicle that is most likely to turn over suddenly when pulling a double trailer:

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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.