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

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

the center of the kingpin is past the locking jaw

all answers listed

the trailer will rise slightly when the converter dolly is backed underneath it

the kingpin is over the fifth wheel

2 / 40

What can you do at an accident site to help avoid another accident?

leave your vehicle, do nothing, and get to higher ground

stay in your vehicle and do nothing until help arrives

put out warning devices so people don't run into the accident site

have a drink to calm your nerves

3 / 40

Select the action that is not recommended when driving on slippery roads:

none of the answers listed

keep other drivers out of your side space

use a light pressure with the the brake and accelerator pedals

use a speed retarder or engine brake

4 / 40

Where are shut off valves located on trailers that are doubles or triples?

on emergency air lines

on emergency and service air lines

on service air lines

on parking brake lines

5 / 40

Carry-on baggage cannot be stored:

Behind the seats.

On the seats.

Under the seat.

In the aisles and stairwells.

6 / 40

What are spring brakes?

they are big springs with air pressure in them if the air pressure decreases, the brakes are applied

they are powerful springs that are restrained by air pressure when the air pressure is removed, the brakes are applied

they are large springs that are held closed by air pressure if the air pressure is increased the brakes are applied

none of the answers listed

7 / 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?

5-ounce glass of 12% wine

1 1/2-ounce shot of 80 proof liquor

12-ounce glass of 5% beer

they all contain the same amount of alcohol

8 / 40

When would a drive-wheel skid result in a jackknife when pulling doubles?

when the tractor spins around

when the trailer slides to the right into the shoulder

when the tractor brakes lock up

when the trailer pushes the towed vehicle sideways

9 / 40

How often should you check the cargo you are transporting?

after every break you take during driving

within the first 50 miles after beginning a trip

all of these answers are correct

every 150 miles or every three hours

10 / 40

What should you hear when you have the hand valve on and are testing the trailer brakes by opening the service air line at the back of the trailer?

the engine brake to kick on

the service brakes more to a fully applied position

the emergency line valve to release air

air leaving the open valve

11 / 40

Select which is not a mandatory emergency equipment:

Extra electrical fuses.

Tire changing equipment.

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

A rated and properly charged fire extinguisher.

12 / 40

After deciding the type of evacuation that is necessary, the next step you must take is:

Opening the emergency exits.

Dangle the radio microphone out of the driver window for later use.

Securing the bus.

Notifying the dispatch office of the evacuation.

13 / 40

Another term for a smooth bore tank is:

A liquid tank that does not have baffles.

A tank that is made out of stainless steel.

A tank that is easily portable.

A liquid tank that has baffles.

14 / 40

There should be ___space between the upper and lower fifth wheel after coupling.

none of the answers listed

1/30 inch

1/8 inch

1/12 inch

15 / 40

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

The un or na id number of the product.

The date of manufacture.

The chemtrec phone number.

The owner's puco or icc number.

16 / 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

17 / 40

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

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.

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

18 / 40

You should be extra cautious when___while driving a smooth bore tanker combination.

stopping and starting

driving up a hill

unloading or loading

driving down a hill

19 / 40

In what position should the shut off valves on a the rear of the front trailer be in on a set of double trailers?

in an open position

in a closed position

in a 1/3 way open position

in a halfway open position

20 / 40

How do you check the air flow to the last trailer?

listen for escaping air after opening the emergency shut off valve

watch the brake lights as you step on the brake pedal

while on an level surface, test the emergency brake lines

pull the vehicle forward and then step on the brakes

21 / 40

A placard is required for a combustible liquid at?

Any amount

100 gallons

110 gallons

1,001 pounds or more

22 / 40

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

release the tractor brakes

lift the brake pedal up

listen for brake sounds as you apply pressure off and on the trailer brakes

activate the parking brakes

23 / 40

When does your vehicle's single brake system need an adjustment?

if the compressor cuts out at between 70 and 90 psi

when the pressure builds from 85 to 100 psi in less than 1 minute

when the governor stops between 75-90 psi

if the pressure builds from 50 to 75 psi in less than 3 minutes

24 / 40

Play of the steering wheel should not exceed:

15 degrees

10 degrees

30 degrees

5 degrees

25 / 40

It is good practice to_____when uncoupling.

make sure the electrical cable is hanging with the plug end down

have the glad hands coupled to the dummy couplers

have the glad hands coupled together

all answers are appropriate

26 / 40

What should the driver pay special attention to when driving smaller tanks?

All answers listed.

The distrubition of weight.

The high center of gravity.

The level of the fluid.

27 / 40

You should follow the posted speed limits for curves and be aware of:

All answers listed.

The higher center of gravity on a tank truck.

A rollover may occur even when driving at the posted speed limit.

The posted speed limit may be too high for safety.

28 / 40

Select the true statement in regards to brake drums or discs:

they are not allowed to have any cracks

they should not have cracks that are longer than half the width of the friction area

they should always be kept well-greased up

the linings should fit loosely around the brake shoe

29 / 40

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

Your spouse

The driver

The shipper

The carrier

30 / 40

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

ensuring the freshness of sealed cargo

making sure that cargo is properly secured

inspecting the cargo

recognizing possible overloads

31 / 40

You should check the_____when loading small tanks equipped with bulkheads.

expansion rate

percentage of water

distribution of the weight

fuel to air ratio

32 / 40

In what position should the converter dolly air tank drain valve be in for double trailer combination?

in a closed position

in an open position

in a halfway closed position

in a 1/3 open position

33 / 40

Which of the following statements is FALSE:

Do not tow or push a disabled bus with riders aboard either vehicle, unless getting off the bus would be unsafe.

Avoid fueling your bus with riders on board unless absolutely necessary. never refuel in a closed building with riders on board.

Do not transport intoxicated passengers.

Do not talk with riders or engage in any other distracting activity while driving.

34 / 40

Off-tracking happens when going around a corner and:

the rear wheels follow a different pathway than that of the front wheels

the rear wheels follow the front wheels in a straight path

the front part of the trailer pulls to the right

the rear part of the trailer goes into the shoulder

35 / 40

The main reason you should pull the dolly out from under a trailer before disconnecting it from the trailer in front is:

it is possible that the dolly tow bar could fly up making it difficult to re-couple

removing the dolly before uncoupling is not the correct procedure

to provide additional lateral stabilization to the front trailer

so the rear-trailer's air brake system will stay charged and keep the trailer wheels locked to prevent rolling

36 / 40

A safe haven is:

A place that has been approved to park unattended vehicles carrying explosives.

The slang term for the last stop at the end of your driving day when carrying hazardous materials.

A place where it is safe to dump any kind of hazardous materials.

A place to stay once you have reported your company for illegal activity.

37 / 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.

registered, uniform hazardous waste manifest

trucking, uniform hazardous waste manifest

licensed, manifest

responsible, papers

38 / 40

You are driving a 60 foot truck at 55 MPH, how much space (in seconds) should you keep in front of you?

8 seconds

7 seconds

6 seconds

5 seconds

39 / 40

Select why you should not use the trailer hand valve while driving:

it will cause the tractor to shake

there is a possibility it will make the trailer skid

it does not work as well as the foot brake does

you should only ever use the parking brake

40 / 40

Select the true statement about slack adjusters:

they should only be adjusted by a mechanic that is certified in slack adjusters

they can be adjusted automatically or manually

they should move a minimum of 2 inches from the push rod attachment

they do not ever need to be adjusted

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

CDL Category Practice Tests

CDL Practice Test

How To Get A ohio Commercial Drivers License

Hit the Open Road

ohio CDL License Test Tips

Additional Information

Information on the Ohio Bureau of Motor Vehicles

Additional Ohio CDL Helpful Links

ohio
CDL Practice Test