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

For any flatbed load you must have at least ____ tie downs.

four

six

one

two

2 / 40

When driving tank vehicles you should:

None of the answers listed.

Decrease your speed before entering a curve and then accelerate through it.

Come to a stop before entering a curve and then accelerate through it.

Maintain the posted speed limit as you enter the curve.

3 / 40

If you have to swerve to avoid a hazard, it's important to:

None of these answers are correct.

Know where other vehicles are around your bus by checking your mirrors.

Warn passengers with a loud and clear voice.

Make sure your passengers are wearing seat belts.

4 / 40

Which of the following should you do when driving the school bus in high wind?

Speed up to get away from the wind as quickly as possible.

Pull off the road to wait for the winds to die down.

Drive only head-in to the wind to avoid cross-wind buffeting.

Keep a strong grip on the steering wheel and try to anticipate gust.

5 / 40

Do converter dollies have spring brakes?

yes

none of the answers listed

some do

6 / 40

What method should be used to test that the air is flowing to all the trailers?

listen for air flow after opening the shutoff valves at the rear of the last trailer

only a certified mechanic can check for this

pump the brakes with the windows down

check the pressure indicator dial on the final trailer

7 / 40

An air system that is fully charged will typically have ___ psi of pressure.

200

125

250

8 / 40

To test the security of the tractor semi trailer connection you should:

look at it carefully after pulling forward gently in a low gear against the locked trailer brakes

with the trailer brakes locked, rock the trailer back and forth

put the tractor in a high gear and quickly pull ahead

you don't need to check it

9 / 40

What kind of surge occurs with baffles?

Back to front

Bottom to top

Side to side

Circular

10 / 40

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

Non-ferrous metal

Carbon steel

Stainless steel

All of these answers are correct

11 / 40

What is the normal operating range for a truck's oil pressure?

20-30 psi

40-60 psi

This is engine-specific

30-75 psi

12 / 40

A commercial motor vehicle (CMV) is defined as:

all of these answers are correct

a vehicle with a gross weight over 26,001 lbs

a vehicle transporting hazardous materials

a vehicle transporting 16 or more passengers

13 / 40

Puddles or dripping fluids from the underside of the transmission and engine may indicate:

A leak from the engine

All of these answers are correct

A leaking line or hose

Problems with the water pump

14 / 40

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

Emergency hospital supplies.

Small arms ammunition (orm-d).

Emergency tear gas.

Emergency drug shipments.

15 / 40

Make sure____when the front trailer supports are up and the trailer is sitting on the tractor.

there is enough space for clearance between the nose of the trailer and the tops of the tractor tires

neither of the answers listed

both of the answers listed

there is enough space for clearance between the landing gear and the tractor frame

16 / 40

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

False, it's when the vehicle engine fails in some way

False, it's when the vehicle power system fails in some way

True

False, it's when the vehicle air braking system fails in some way

17 / 40

How should you know when to shift?

engine speed and the shift indicator light

engine speed and road speed

every 3 to 5 seconds or engine speed

road speed and wind speed

18 / 40

Select how you can tell if your vehicle is equipped with an anti-lock braking system:

the vehicle is manufactured after 2001

the vehicle is manufactured after 1998

the vehicle is manufactured after 2005

the vehicle is manufactured after 1990

19 / 40

You should check the_____when loading small tanks equipped with bulkheads.

distribution of the weight

percentage of water

fuel to air ratio

expansion rate

20 / 40

If a rider wants to bring a car battery or a can of gasoline or kerosene aboard your bus, you should:

Not allow the rider to do it.

Instruct the rider to sit next to an open window.

Put the materials in the bus's "safe box".

Have the rider pay a second fare.

21 / 40

Remember to_____to prevent rollovers.

have the load centered

have the load as low to the ground as possible

drive slowly around turns

all answers listed

22 / 40

Your rig should be parked on__to uncouple double trailers.

the company's lot

a downgrade

grass

level ground

23 / 40

How often should air tanks be drained?

once a day

every 4-5 days

every 7 days

every 6 hours

24 / 40

Take extra caution when driving smooth bore tanks during:

All answers listed.

Driving into the wind.

Stops and starts.

Drive down or up an incline.

25 / 40

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

activate the parking brakes

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

lift the brake pedal up

release the tractor brakes

26 / 40

If your bus is equipped with an emergency exit door, it must:

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

Always have a red door light turned on.

All of these answers are correct.

Be secured when the bus is being driven.

27 / 40

Overhead inside mirror is used to:

See the area where students exit the bus.

See all of the students.

Monitor traffic that approaches and enters the blind spot area.

See the blind spot immediately behind the bus.

28 / 40

The two main things to look ahead for while driving are _____.

fire and flooding

bridges and tunnels

truck stops and police

traffic and road conditions

29 / 40

If there is not a sight glass to check the oil level you are required to look for leaks around the _____.

transmission

brake pads

wheel rims

axle seals/hub oil

30 / 40

For Division 1.1 or 1.2 Explosives A, should the floor liner required be stainless steel?

Never use a floor liner for any explosive class

Yes

Any type of floor liner is sufficient

31 / 40

Buses may NOT have recapped or regrooved tires:

On front wheels.

On the outside rear wheels.

Anywhere except on the front wheels.

When it's been raining.

32 / 40

To inspect the______you should pump the pedal 3 times and hold it down for 5 seconds while making sure the pedal doesn't move during those 5 seconds.

air brakes

parking brakes

hydraulic brakes

engine brakes

33 / 40

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

1/30 inch

1/12 inch

1/8 inch

none of the answers listed

34 / 40

Alcohol evaporators in some air brake systems help to:

cleans out oil from the air lines

it removes fuel from the air lines

decrease the chances of ice in the air brake valves in cold weather

decreases the risk of water in the air brake valves in cold weather

35 / 40

The object that doesn't get checked at the side of the trailer is the:

The landing gear

Electrical/air connections

The locking pins/tandem release arm

The frame

36 / 40

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

Food or milk products.

Hydrogen peroxide.

Fertilizer.

Fuel.

37 / 40

In the event of a tire failure you should...

pump the brakes until you come to a stop

disengage the clutch so you are in neutral gear

stay off the brake and hold the steering wheel firmly

accelerate quickly until you find a place to pull over

38 / 40

A placarded vehicle must carry what type of fire extinguisher?

One with a rating of 5 a/b minimum.

One with a rating of 10 a/b minimum.

One with a rating of 5 b/c minimum.

One with a rating of 10 b/c minimum.

39 / 40

What type fire extinguisher is required in the power unit of a placarded vehicle?

A ul rating of 15 abc.

A ul rating of 5 b/c or above.

Any of these are acceptable.

A ul rating of 10 b/c or above.

40 / 40

The emergency air line is _____and the service air line is____.

white, blue

red, green

yellow, white

red, blue

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