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

What are the liquid tight separations between compartments inside tanks called?

2 / 40

A driver that hauls hazardous materials must attend training every:

3 / 40

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

4 / 40

What is a technical name?

5 / 40

You should make sure the_____before backing under a trailer.

6 / 40

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

7 / 40

Select the true statement in regards to as why you should make sure the fifth wheel plate is greased as recommended:

8 / 40

What product is typically carried in a liquid tank trailer without baffles?

9 / 40

You need to raise the landing gear just to the height of where it clears the pavement before driving.

10 / 40

A safe haven is:

11 / 40

When inspecting your bus, you must make sure that:

12 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

13 / 40

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

14 / 40

Select the true statement in regards to handing triples and doubles

15 / 40

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

16 / 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.

17 / 40

Select the true statement about speed and stopping distance.

18 / 40

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

19 / 40

What are slack adjusters?

20 / 40

Why should you not use the trailer hand brake to straighten out a jack knifing trailer?

21 / 40

Select the true statement about seeing ahead.

22 / 40

Forward and back surge is powerful in this type of tanker.

23 / 40

You must be alert for road hazards so that:

24 / 40

What is most likely to occur when the front wheels begin to skid?

25 / 40

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

26 / 40

What is the reason that placards are used?

27 / 40

The trailer height is correct for connecting a converter dolly to a second trailer when:

28 / 40

When accelerating:

29 / 40

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

30 / 40

Mirrors with a convex surface or "spot" mirrors _____.

31 / 40

The pintle hook should be_____ and the converter dolly air tank drain valve is___when doing a walk around inspection of a triple or double trailer.

32 / 40

The best way to describe a dual air brake system is:

33 / 40

A shipment described on the Hazardous Waste Manifest may only be delivered to another _______ carrier or treatment facility, who then signs the ______, giving you a copy which you must keep.

34 / 40

What kind of surge occurs with baffles?

35 / 40

How do you make sure the air lines are not crossed and the trailer brakes are working after supplying air to the trailer?

36 / 40

How often should air tanks be drained?

37 / 40

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

38 / 40

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

39 / 40

What is a king pin?

40 / 40

Is it mandatory that all vehicles with air brakes have low air pressure warning signals?

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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.