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 is the purpose of cladding in a tanker?

It protects the cargo from changes in temperature.

It protects the tanker form any corrosive cargo.

It eliminates liquid surge.

It controls the temperature of the cargo.

2 / 40

What school bus accidents should be reported?

All accidents.

No accidents.

Only accidents determined to be the fault of the bus driver.

Only accidents casusing injury.

3 / 40

Start by___when coupling.

coupling the tractor to the second trailer

having the second trailer against the dock

coupling the converter hook to the pintle tongue of the first trailer

backing the converter dolly under the second trailer

4 / 40

Off-tracking happens when going around a corner and:

the front part of the trailer pulls to the right

the rear wheels follow the front wheels in a straight path

the rear part of the trailer goes into the shoulder

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

5 / 40

Of the following hazardous material classes, which is the most dangerous?

Division 63

Division 62

Division 61

Division 64

6 / 40

The shipping papers for hazardous materials can be found:

On the driver's seat when out of the vehicle.

In clear view, within reach while driving.

In a pouch on the driver's door.

Any of the above locations.

7 / 40

What is the first thing to do if your vehicle catches fire while driving?

pull off the road and park in an open area

open the hood and let the flames die down

find a service station to pull into

open the door and jump out of the vehicle

8 / 40

How often should you check your cargo?

all of these answers are correct

every 150 miles or every three hours

after every break you take during driving

within the first 50 miles after beginning a trip

9 / 40

A "transport index" relates to products that are:

Liquid

Overweight

Meant for human consumption

Radioactive

10 / 40

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

250

125

200

11 / 40

When transporting hazardous waste, you must:

All of these answers are correct.

Sign a uniform hazardous waste manifest.

Carry a uniform hazardous waste manifest in the truck.

Have the word "waste" before the name of the material on the bills.

12 / 40

Why should you not use the trailer hand brake to straighten out a jack knifing trailer?

none of the answers listed

the tractor wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to push the tractor and straighten out

this is the only situation in which you should use the hand brake

the trailer wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to follow the tractor and straighten out

13 / 40

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

six

one

four

two

14 / 40

Which of the following is NOT something you need to know in order to determine if you need to use placards?

The manufacturing date for the materials.

The amount of a substance or material being shipped.

The amount of all hazardous materials of all classes in your vehicle.

The substance or material's hazard class.

15 / 40

Which of the following must be closed while the bus is in motion?

Windows

Emergency windows

Roof vents

Both hatches

16 / 40

What is the benefit of ABS?

it decreases your stopping distance

it prevents the wheels from locking up during heavy braking or slippery conditions

all of these answers are correct

it provides an added layer of safety for truck drivers

17 / 40

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

Each time you stop.

Start of each day and every time you stop.

Once every three hours.

Once every 100 miles.

18 / 40

You should look into the back of the fifth wheel on a dolly to see if it is locked onto the kingpin.

true

only in a level loading dock

false

only at the end of a shift

19 / 40

After coupling with a trailer, what position should the front trailer supports be in before driving away?

raised to the top and then taken 3 cranks down and the crank handle stored in its bracket

none of the answers listed

raised half way with the crank handle stored in the cab

in the fully raised position with the crank handle secured to its bracket

20 / 40

Select the true statement about empty trucks:

They come to a stop faster when you use only the emergency brake.

They can take longer to stop than a truck with a full tank.

They have better traction on wet roads than full tanks.

All answers listed.

21 / 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 a 1/3 way open position

in a halfway open position

in an open position

in a closed position

22 / 40

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

none of the answers listed

fuel tanks

cb radio

coolant system

23 / 40

Why should you use chocks when parking a trailer without spring brakes?

the trailer wheels are free to turn as there will be no emergency brakes should the air supply in the trailer air tank leak

to prevent someone from stealing the vehicle

the trailer wheels are free to turn as there will be no service brakes should the air supply in the trailer air tank leak

to prevent a runaway trailer

24 / 40

Students exit the bus and walk:

At least 8 feet away from the side of the bus.

At least 10 feet away from the side of the bus.

The distance it takes to clear the danger zone.

Across the street.

25 / 40

Why is it dangerous to unlock the pintle hook with the dolly still under the rear trailer?

the fifth wheel may be misaligned

the spring brakes may release

the dolly tow bar may fly up

the kingpin may snap in half

26 / 40

Make sure that____when the front trailer supports are up and the trailer is resting on the tractor.

the safety latch is in the open position

there is enough clearance between the lower and upper fifth wheel

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

the kingpin has been removed

27 / 40

Select the true statement in regards to unhooking the pintle hook while the converter dolly is still under the trailer.

this is recommended as it is standard procedure

this is not recommended as it could could cause damage to the pintle hook

this is recommended because it keeps the trailer from tipping over

this is not recommended because it may result in injury

28 / 40

You should line up_____when getting ready to back under the trailer.

for the kingpin to activate on the driver's side first

above 12 degrees to the right of the trailer

about 12 degrees to the left of the trailer

directly in front of the trailer

29 / 40

Is it important to look into the back of the fifth wheel to see if the lockpin is locked in?

yes

only every 7 days

only at the end of the shift

30 / 40

This item does not need to be checked during the cab check.

The horn

The air conditioning

The defroster/heater

The windshield wipers and fluid levels

31 / 40

Select the statement that is true in regards to managing space to the sides.

you should try to avoid driving next to others when possible

high gust winds do not cause any issues for triples and doubles

all answers listed

you should always keep your vehicle to the right side of the lane

32 / 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 70 and 90 psi

at a level of 50 and 70 psi

at a normal pressure

33 / 40

Surge affects the handling of a tanker by:

Allowing you to take tighter turns.

Moving the truck in the direction the liquid flows in.

None of the answers listed.

Increasing the wind drag.

34 / 40

Select the statement that best explains the "crack-the-whip" effect.

it is when the trailer is half full with the cargo loaded in the front half of the trailer. When you make a sudden movement of your steering wheel the cargo will forcefully slide towards the back of the trailer which will force the trailer to roll over.

it is when you make a sudden movement of the steering wheel or a quick lane change and the tractor tends to rock and sway. The velocity of the rearmost trailer forces the tractor to roll over before the trailer.

it is when the trailer is half full with the cargo loaded in the rear half of the trailer. When you make a sudden movement of your steering wheel the cargo will forcefully slide towards the back of the trailer which will force the trailer to roll over.

it is when you make a sudden movement of the steering wheel or a quick lane change and the rear trailer tends to swing out. The force of the rear trailer becomes amplified, which will cause it to roll over (rearward amplification).

35 / 40

Which of the following is the most important reason for doing a pre-trip inspection?

to make sure nothing has been stolen from the vehicle

because other drivers do it

to make sure the vehicle will make your destination

safety for yourself and other road users

36 / 40

Select the true statement about emergency steering and tankers:

It is easier to counter steer than other vehicles.

Have a firm grip on the steering wheel before making quick movements of the steering wheel.

None of the answers listed.

Do not apply the brakes when making quick movements of the steering wheel.

37 / 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.

38 / 40

You should check your tires every ____ or every ____ when driving in very hot weather.

1 hour, 50 miles

5 hours, 250 miles

2 hours, 100 miles

3 hours, 200 miles

39 / 40

Air tanks need to be drained:

to prevent water and oil from building up in the tank

to keep the tanks cold when not in use

to keep the tanks warm when not in use

air tanks should absolutely never be drained

40 / 40

Select the true statement about speed and stopping distance.

When the road is wet it will double your stopping distance.

You need two times the stopping distance when driving at 40 mph compared to 20 mph.

Tank surge will decrease your stopping distance.

None of these answers are correct.

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