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

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 should not be done

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

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

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

2 / 40

Commerical vehicles typically have this type of brake.

rectangle brakes

stab brakes

S-Cam brakes

drum brakes

3 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

Budd spacing or spacers

All answers listed

Tire rims

Lug bolts

4 / 40

What is the purpose of a driver placarding his or her vehicle?

Communicating risk.

Warning those with children to drive in another lane.

Giving people something interesting to look at while driving.

Forcing other drivers to stay 20 feet away in every direction.

5 / 40

If you are stopped on an incline, how can you start moving without rolling back?

shift to neutral

aggressively pump the accelerator

fully engage the clutch

apply the parking brake

6 / 40

How do you test your service brakes?

release the air pressure and activate the parking brake

after releasing the parking brake, move forward slowly and apply pressure to the brake pedal

pull over and activate the parking brake

apply pressure to the brake pedal when moving at highway speeds

7 / 40

Which of the following is not a prohibited practice on the bus:

Towing a disabled bus with riders aboard when getting off would be a safe option.

Talking with riders while driving.

Refueling in a closed building with riders on board.

Fueling your bus with riders on board if about to run out of fuel.

8 / 40

This object should not be worn dangerously thin where visible.

All answers listed

The brake linings

The air system lines

The brake chambers

9 / 40

A truck with baffles will handle:

None of the answers listed.

The same as a tanker with no baffles.

With less front to back surge compared to trailers without baffles.

Heavier that it actually is.

10 / 40

Some hazardous materials may not be loaded together with other hazardous materials. The prohibited combinations are listed in the:

Hazardous waste manifest.

Hazardous materials table.

Segregation and separation chart.

List of hazardous materials and reportable quantities.

11 / 40

You should___to reduce the air leakage rate.

release the service brake after turning off the engine

monitor the air pressure gauge as you press on the brake pedal

release the service brake as the engine is running

leave the engine running while charging the air system

12 / 40

What should you check for when inspecting a converter dolly?

that the safety chains are secured to the trailer

that the converter dolly air tank drain valve is in the closed position

that the spare tire is secured if there is one

all answers listed

13 / 40

Which of the following statements about overhead space is true?

warning lights are always installed on low bridges and overpasses

the weight of the cargo changes a truck's height

athe heights posted at bridges are usually accurate

an empty van is lower than a loaded one

14 / 40

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

inspecting the cargo

ensuring the freshness of sealed cargo

recognizing possible overloads

making sure that cargo is properly secured

15 / 40

What is the purpose of the supply pressure gauge?

all of these answers are correct

to inform you of how much air is in the tank

to inform you if there is too little air in the tank

to inform you about how hot the air in the tank is

16 / 40

When does stab braking occur?

when the wheels lock up, release the brakes

when the wheels start rolling, apply the brakes

all of these answers are correct

apply pressure all the way on the brake pedal

17 / 40

How do you check the connection after locking the kingpin into the fifth wheel?

pull the tractor at a sharp right to release the trailer brakes

pull forward 25 feet, turn to the left, and then to the right

pull forward 25 feet, turn to the right, and then to the left

pull the tractor ahead gently with the trailer brakes locked down

18 / 40

What do you need to do to supply air to the air tanks of the second trailer?

close the shut off valves at the back of each trailer

open the shut off valve at the back of both trailers

none of the answers listed

open up the shutt off valves on the rear of the first trailer and close the shut off valve at the back of the second trailer

19 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

Windshield fluid line

Fuel tank

Air coolant system

Exhaust system

20 / 40

You are required to have a tank endorsement when transporting:

Bulk fertilizer

Materials that are hazardous

Passengers

Gas or liquid

21 / 40

Which of the following hazard classes utilizes a transport index in order to determine how much of it can be loaded on a single vehicle for transport?

Class 3—flammable liquids

Class 4—live chickens

Class 7—radioactive materials

Class 1—explosives

22 / 40

How can you check slack adjusters?

by pulling hard on each slack adjuster

by frequently checking the pressure gauge

it is not possible to check manually

by using a fixed wrench

23 / 40

To avoid rollover when going through a curve, the best thing to do is:

Drive at a speed below the posted speed limit.

Ride the brakes through the curve.

Drive at a speed higher than the posted speed limit.

Pump the brakes through the curve.

24 / 40

This item should not be rusted, bent, or damaged and centered over evenly spaced tires and dual wheels.

Fifth wheel

Frame

Lug bolts

Spacers

25 / 40

What will happen should a driver cross the air lines when hooking up the an older trailer?

none of the answers listed

the brake pedal will activate the trailer spring brakes instead of the air brakes

if there are no spring brakes, you can drive on but there will be no trailer brakes

the hand valve will activate the tractor brakes instead of the trailer brakes

26 / 40

A driver that hauls hazardous materials must attend training every:

1 year

3 years

None of these answers are correct

2 years

27 / 40

How often should you check the tires on a placarded trailer that has dual tires?

Once every 100 miles.

Once every three hours.

Each time you stop.

Start of each day and every time you stop.

28 / 40

An "A/W" the first column of the hazardous materials table means:

There is no restrictions with this material if shipped by water only.

It is ok to ship this material by air only.

This material is only restricted when shipped by air and/or water.

This material has no restrictions when shipped by air and/or water.

29 / 40

A placard is required for a combustible liquid at?

Any amount

110 gallons

100 gallons

1,001 pounds or more

30 / 40

If your bus has an emergency exit door, it must:

Be closed when operating the bus.

Not have any signs, stickers, or markings anywhere near it.

Have a red electric door light turned on at all times.

All of these answers are correct.

31 / 40

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

Non-ferrous metal

Stainless steel

All of these answers are correct

Carbon steel

32 / 40

What can side to side surge cause?

A spontaneous combustion.

An engine system failure.

A roll over.

An increase in speed.

33 / 40

You should adjust all the outside left and right side flat mirrors to see:

The rear right and left tires touching the ground as well as 200 feet behind the bus.

The entire area to the rear of the mirror along the side of the bus.

The children's exit path out of the main bus door.

The passenger area inside the bus.

34 / 40

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

May never be parked on private property.

May be left unattended in a safe haven.

May never be left unattended under any condition.

May not be parked on the cosignee's property.

35 / 40

When should the trailer hand valve be used?

when driving at highway speeds

when parked in a service lot

to test the trailer brakes

all answers listed

36 / 40

You downshift automatic transmissions ______.

none of these answers are correct

before going down a hill

at the bottom of a hill

half way down a hill

37 / 40

A driver of a tank vehicle should take curves, off ramps, and on ramps at a speed lower than the posted speed limit.

True

True but only in rainy conditions

True but only in ideal conditions

False

38 / 40

To decide which placards you need, if any, what three things do you need to know?

Materials hazard class, amount being shipped, and amount of all hazardous materials of all classes on your vehicle.

Materials hazard class, percentage of total volume, and amount of all hazardous materials on your vehicle.

Materials hazard class, location being shipped, and amount of all hazardous materials on your vehicle.

Packing group numbers, amount being shipped, and amount of all hazardous materials of all classes on your vehicle.

39 / 40

The air leakage rate for a combination vehicle should not exceed ____psi a minute.

40 / 40

The bus driver must accept responsibility for supervising and controlling students while on the bus route. Who is the person in charge?

The school district superintendent.

Students on the bus.

Parents of the students on the bus.

Bus driver.

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