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

Food or milk products.

Fuel.

Hydrogen peroxide.

Fertilizer.

2 / 40

You should_____when an emergency requires you to quickly stop your tanker.

use stab or controlled braking

keep a firm pressure on the brake pedal

turn off the abs and brace for impact

use the emergency brakes only

3 / 40

By law, the warning lights must only be used when approaching a:

Any stop the bus makes.

Busy intersection.

Stop to load or unload students.

Sharp turns.

4 / 40

What is the stopping distance for a tractor trailer that is traveling at 55 mph on dry pavement?

about 600 feet with is about two football field lengths

about 300 feet which is about a football field length

about 150 feet which is 1/2 of a football field

about 200 feet which is 2/3 of a football field

5 / 40

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

8 seconds

13 seconds

10 seconds

15 seconds

6 / 40

This object should be clean with no obstructions, illegal stickers or damage to the glass.

The side mirrors

The windshield

The lighting indicators

The headlights

7 / 40

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

false

only in ideal conditions

true

only on downgrades

8 / 40

The most important hand signal you should agree on with a helper is:

“turn up the music”

“faster”

“go”

“stop”

9 / 40

The minimum tread depth for tires other than the front tires is ____.

2/32

3/32

4/32

1/32

10 / 40

If you must stop on the shoulder of the road, you should place warning devices at all of the following places except...

about 100 feet behind your vehicle

on the other side of a divided highway

within 10 feet of the front or rear corners

about 100 feet in front of your vehicle

11 / 40

When this item is missing or loose, movement may occur between the fifth wheel assembly and the frame.

Lug nuts

Locking pins

Locking jaw

Tandem release arm

12 / 40

What position should the heaviest trailer be in when pulling 3 trailers?

in the middle

in the front

in the back

it makes no difference

13 / 40

Select the answer that is controlled by the foot brake.

the engine brake

the service air line

the emergency brake

the shut off valves

14 / 40

Select the true statement in regards to if a glad hand on the blue air line is missing a seal.

there may be an emergency line air leak

there may be a service line air leak

it is not a big problem

you should remove one from the red air line to use as a temporary replacement

15 / 40

Select the true statement:

you should always ride the brakes

wait to brake heavy vehicles for as long as you can

a bobtail tractor will take longer to stop than a combination vehicle that is loaded to the max

light vehicles require more braking power than heavier vehicles

16 / 40

Select the true statement about dual air brake systems.

there is a single set of brake controls

one system controls the front axle and the other controls the rear axle

all of these answers are correct

there is a primary system and a secondary system

17 / 40

Select the step that comes first:

lower the landing gear

shift into reverse

apply a firm pressure to the trailer brakes

connect the air supply lines

18 / 40

When is it acceptable for non-hazardous materials to be described by hazard class words or identification numbers?

Never

Always

For hazards not described in the hazmat manual

During an emergency

19 / 40

A placarded vehicle must have at least ___ placards?

four

six

three

two

20 / 40

When checking the wheelchair lift, the things you should look for are:

Leaking, damaged, or missing parts and that the lift is fully retracted and latched.

Leaking, damaged, or missing wheelchairs.

Stripped screw drive linkages and fluid drips.

Bent or dinged lift floor.

21 / 40

Select which is not a mandatory emergency equipment:

A rated and properly charged fire extinguisher.

6 fuses, 3 red reflective triangles, or 3 liquid burning flares.

Tire changing equipment.

Extra electrical fuses.

22 / 40

In column 1, the "D" symbol means:

Devices

Detonators

Domestic transportation

Domestic restrictions

23 / 40

Select how brakes work on long, steep downgrades:

it's the main braking mechanism with the engine braking system available for emergency situations

they are a supplement to the braking effect of the engine

it is the main braking mechanism

it does not do anything

24 / 40

Which of the following materials would be an acceptable floor liner for moving Division 1.1 or 1.2 materials?

Stainless steel

Carbon steel

Non-ferrous metal

All of these answers are correct

25 / 40

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

Stand up and speak respectfully to the offender, if a change of setting is needed, have the student move to a seat near you.

Remove the student from the vehilce for the safety of the other children.

Call school administrator or the police to remove the student.

Unload the student at the next stop.

26 / 40

To transport cargo safely, which of these are you NOT responsible for?

recognizing possible overloads

ensuring the freshness of sealed cargo

making sure that cargo is properly secured

inspecting the cargo

27 / 40

Select when you should use the parking brake:

when you are leaving your vehicle for more than an hour

with rare exception, every time you leave your vehicle

each time you leave your vehicle for any amount of time

when in residential areas

28 / 40

A tractor should not be backed under a trailer until the whole air system is:

at half of its normal pressure

at a level of 50 and 70 psi

at a normal pressure

at a level of 70 and 90 psi

29 / 40

What is the most important reason for doing a vehicle inspection?

federal and state laws require you to inspect your vehicle

safety for yourself and other road users

to save you money by preventing costly repairs

to insure that you will achieve the best gas mileage

30 / 40

On tandem axle for trailers, the sliding mechanism and locking device is:

Metal frame

Air brake system

Tandem release (locking pin/arm)

Fifth wheel

31 / 40

A hazard class that uses transport indexes to determine the amount that can be loaded in a single vehicle is _____.

Class 7 radioactive materials

Class 3 flammable liquids

Class 1 explosives

Class 6 poisons

32 / 40

When should air tanks be drained?

they don't need to be drained

at the end of each working day

every 7 days

at every restroom break stop

33 / 40

What is the safest way to stop unruly behavior on the bus?

Pull off the road in a safe location, secure the bus, stand up, and tell the students what behavior you expect of them.

Have the unruly students move to the front of the bus.

Keep checking the rear view mirror so you can see what happened and report to the principal.

Yell loudly for the students to sit down and behave themselves.

34 / 40

When driving normally, some drivers use the hand valve before applying the brake pedal to prevent jack knifing. Select the most appropriate response to this statement.

it is the best possible way to brake and maintain the truck in a straight path

should be used with caution and only if you are aware of the dangers

it will result in less skidding than when just using the brake pedal alone

it should not be done

35 / 40

Where can you find a shipper’s certification?

There is no such thing.

On the original shipping paper.

It is a separate document that all hazmat drivers must keep in their vehicles.

On all packages.

36 / 40

When conducting a pre-trip inspection, the most important item to verify is _____.

that the tire tread is sufficient for the expected driving conditions

that the registration is in the cup holder

that there are no leaks in the air brake system

that the radio transmits a signal

37 / 40

Which of the following is something the driver must watch for:

Poles and tree limbs at stops.

Appropriate clearance around and over the bus.

All of these answers are correct.

Gaps your bus needs to accelerate and merge with traffic.

38 / 40

How should the hand valve be used?

to test the trailer brakes

when the trailer is fully loaded down

only in emergency situations

only in conjuction with the foot brake

39 / 40

You should check that the _____are secure, caps are on tight, and is not leaking.

none of the answers listed

cb radio

fuel tanks

coolant system

40 / 40

When driving a combination vehicle, the trailer breaks away severing the air lines. The trailer brakes should come on and ____.

the tractor will gain air pressure

the tractor to lose all air pressure in the tanks

the trailer supply valve will remain open

the tractor protection valve will close

Your score is

The average score is 0%

5/5 - (1 vote)

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.

ohio CDL Practice Test