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

Select when you should use the parking brake:

when in residential areas

with rare exception, every time you leave your vehicle

each time you leave your vehicle for any amount of time

when you are leaving your vehicle for more than an hour

2 / 40

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

Driving with bad tires.

Driving too fast.

Driving in the mountains.

Driving on a wet surface.

3 / 40

Front wheel brakes are good under what kind of conditions?

icy or wet conditions

any weather conditons

ideal weather conditions

they are not ideal

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:

keep the steering wheel tight

keep the axles in place

keep the brake drums from failing

keep the load secure

6 / 40

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

have the trailer brakes off

all answers listed

press down on the brake pedal twice

supply air to the trailer system and then pull the air supply knob out

7 / 40

Why should you cover cargo?

all of these answers are correct

to protect individuals from any spilled cargo

because many states require it

to protect your cargo from bad weather

8 / 40

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

you should use a high gear to make the process faster

you should leave the landing gear at the half way mark to make the uncoupling process easier later

you should use a low gear until the tractor is supporting the trailer

you should grease the landing gear the increase the speed of the process

9 / 40

Cargo tanks are:

Bulk packaging permanently attached to your vehicle.

Filled while they are off your vehicle, then attached for transportation.

Only made in one size.

Bulk packaging temporarily attached to your vehicle.

10 / 40

Drivers placard their vehicle to _____ the risk.

communicate

minimize

elevate

take away

11 / 40

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

Coolant system

Power steering

Voltmeter

Oil pressure

12 / 40

How high should you crank the landing gear?

for it to be 6 inches above the ground

as high up as it will go

so that you can clear railroad tracks

until the crank handle is loose

13 / 40

Which of these statements about signaling is correct?

Leave your signal on long after you've changed lanes.

Signal your intentions early and continuously.

Signal to others that it is safe to pass your bus.

Signaling is a warning, not a request.

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?

At least five feet

At least half a mile

At least ten feet

At least twenty feet

15 / 40

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

The oil level

The power steering fluid level

The windshield wiper fluid level

The horn fluid level

16 / 40

The amount of liquid you can carry depends on:

How much the liquid will expand during the trip.

How much you can legally carry.

The density or weight of the liquid.

All answers listed.

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?

5-ounce glass of 12% wine

12-ounce glass of 5% beer

they all contain the same amount of alcohol

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?

Layers

Bulkmets

Baffles

Taffles

19 / 40

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

Down and that the handle is secured.

Raised and that the handle is secured.

Down and that the handle is hanging free.

Raised and that the handle is hanging free.

20 / 40

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

The driver's seat only.

Any of the last row seats.

None of these answers are correct.

Window seats.

21 / 40

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

Small arms ammunition (orm-d).

Emergency tear gas.

Emergency drug shipments.

Emergency hospital supplies.

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?

At least 400 feet

At least 500 feet

At least 600 feet

At least 300 feet

23 / 40

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

Portable tanks must additionally show the owner or lessee's name on them.

Cargo tanks are permanently attached, portable tanks are temporarily attached.

All of these answers are correct.

Cargo tanks are filled while on the vehicle, portable tanks are filled while off the vehicle.

24 / 40

How do you check the coolant level?

Remove the radiator cap once it is at operating temperature.

None of the answers listed.

While wearing rubber gloves and safety glasses.

Inspect the reservoir sight glass or remove the radiator cap if the engine isn't hot.

25 / 40

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

Class 2 only

Class 1 only

Class 4 only

Classes 1, 2, 3, and 4

26 / 40

Air tanks need to be drained:

air tanks should absolutely never be drained

to prevent water and oil from building up in the tank

to keep the tanks warm when not in use

to keep the tanks cold when not in use

27 / 40

When transporting explosives you may not park:

Within 300 feet of a tunnel.

All of these answers are correct.

Near an open fire.

Within 5 feet of the traveled part of the road.

28 / 40

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

when the tanks has bulkheads

only when it's raining

only in ideal conditions

the vehicle has lost braking power

29 / 40

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

downshift

pump the brake pedal

look for an escape ramp or an escape route

put the gears in neutral

30 / 40

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

in a halfway open position

in the latched position

in the unlatched position

removed from the dolly

31 / 40

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

cross the air supply lines to test for leaks

make sure to match the colors or check the tags before connecting

press the seals together at a 90 degree angle

clean the couplers before connecting them

32 / 40

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

Service lines

Top off valves

Relay knife

Glad hands

33 / 40

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

Emergency drug shipments

Tear gas

Small arms ammunition (orm-d)

Emergency hospital supplies

34 / 40

A placarded vehicle must have at least ___ placards?

four

three

six

two

35 / 40

Select the vehicle that off-tracks the most.

a 5-axle tractor that is towing a 32-foot long trailer

a 5-axle tractor that is towing a 40-foot long trailer

a 5-axle tractor that is towing a 52-foot long trailer

a 5-axle tractor that is towing a 45-foot long trailer

36 / 40

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

the truck requires increased following distance compared to smaller vehicles

all answers listed

the risk of trailer jackknifes and tipping is increased compared to shorter trucks

extra care should be taken when driving in bad weather and in the mountains

37 / 40

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

225 psi

100 psi

125 psi

175 psi

38 / 40

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

Any more than 500 feet.

Any more that 450 feet.

Any more than safety required.

In an upwind direction.

39 / 40

Unless you_____you will feel the effects of a liquid surge.

haul thick liquids

make turns carefully and slowly

gradually come to a stop

all answers listed

40 / 40

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

all are equally likely

the back trailer

the tractor

the front trailer

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