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

Shifting into a lower gear and removing your foot off of the accelerator to slow your vehicle is known as?

engine braking

double clutching

anti-lock braking

brake fade

2 / 40

What is incorrect concerning disruptive passengers?

It may be safer to wait and discharge the disruptive passenger at the next scheduled stop or a well-lighted area where there are other people.

You must ensure the disurptive rider's safety as well as that of others.

You must remove the disruptive passenger immediately for the safety of the others.

Don't discharge such riders where it would be unsafe for them.

3 / 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 but only in rainy conditions

True but only in ideal conditions

False

True

4 / 40

Select the item that is not checked in the engine compartment:

The power steering fluid

The level of the oil

The coolant level

The oil pressure

5 / 40

What should you hear when you test the trailer brakes by opening the service air line at rear of trailer with the hand valve on?

none of the answers listed

the service brakes will move to a fully applied position

you should hear air escape from the open valve

the emergency air line will release air

6 / 40

Select the purpose of fanning air brakes:

it cools them down

it increases the air pressure

lower air pressure

it decreases the braking power

7 / 40

It is very important that you never smoke around which hazard classes?

All hazard classes.

Corrosive, radioactive, dangerous, slippery when wet, inhalation.

It is ok to smoke anywhere.

Explosives, flammable gas, oxidizers, flammable solids, flammable liquids.

8 / 40

Make sure that_____before you back under a trailer.

the air supply knob has been pulled out

the air brakes are in an off position

the trailer brakes have been locked

the air supply knob has been pushed it

9 / 40

What can side to side surge cause?

A roll over.

An engine system failure.

A spontaneous combustion.

An increase in speed.

10 / 40

When accelerating:

"hammer down" when your wheels start to spin

speed up smoothly and gradually and avoid jerking

always use the parking brake to slow down

do not engage the clutch before you take your foot off the brake

11 / 40

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

May not be parked on the cosignee's property.

May never be left unattended under any condition.

May never be parked on private property.

May be left unattended in a safe haven.

12 / 40

The best way to test the low air pressure warning signal is to:

apply pressure on and off the brakes while the engine is running

apply pressure on and off the brake pedal until the air pressure drops below 20 psi

apply pressure on and off the brake pedal with the engine off to drop the air pressure to below 60 psi

manually release the air out of your brakes to see if the signal activates

13 / 40

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

Any more than 500 feet.

Any more that 450 feet.

In an upwind direction.

Any more than safety required.

14 / 40

What is a king pin?

it is a pin that locks the trailer to the tractor on the fifth wheel

it is a pin that locks the air brake lines together

it is a pin that holds the wheel on to the axles

it is a pin that a driver receives for being a safe driver

15 / 40

What color and shape is the trailer air supply control?

it is a square knob that is yellow

it is a triangle-shaped knob that is red

it is a square knob that is red

it is an 8-sided knob that is red

16 / 40

Which trailer is most likely to tip over due to the crack the whip effect?

the last trailer of a double

the last trailer of a triple

the first trailer of a triples

the heaviest trailer

17 / 40

Select the definition for outage:

It is how much power is lost to the hydraulics.

It is loss of power to the headlights.

It is the liquid that must be drained off to meet legal carry limit.

It is the process of liquid expansion as it becomes warm.

18 / 40

What is the most important reason for doing a school bus inspection?

For safety required by federal, state, and local laws.

To assist the school principal with their report.

To give the mechanic something to do.

To check for flat tires.

19 / 40

What is a passive railway crossing?

The type of crossing, which does not have any type of traffic control device.

The type of crossing with no cross buck sign.

The type of crossing on which the driver does not have to stop.

The type of crossing where you can pass the tracks without stopping.

20 / 40

What might happen if a trailer is too high when you try to couple?

the trailer may tip to the side

the queen pin may fall off

it may not correctly couple

all answers listed

21 / 40

The most stable tanker shape is:

Cylindrical

Square

Round

Elliptical

22 / 40

Select the factor that has no effect on how much liquid you can carry:

The density of the liquid.

The legal amount of weight you can carry of any particular liquid.

The liquid's weight.

How much the liquid will expand in transport.

23 / 40

The minimum tread depth for tires other than the front tires is ____.

1/32

3/32

2/32

4/32

24 / 40

Why is the proper adjustment and use of all mirrors so vital to the safe operation of the school bus?

In order to observe the danger zones around the bus.

In order to clear up blind spots around the bus.

In order to see if small vehicles are driving in the bus blind spots.

In order to observe the danger zones around the bus and look for the students, traffic, and other objects in this area.

25 / 40

What does the drain valve for air tanks remove?

air and oil

oil and dirt

water and air

oil and water

26 / 40

The container for the mechanism that transforms the steering column action into wheel action is:

Steering hoses/box

Locking pin

Air brake system

Steering linkage

27 / 40

It is important to know the outage required for the liquids you carry because:

Some of the denser liquids don't need any.

Some liquids will expand more than others when warm.

Tank baffles may not always be permitted with outage.

None of these answers are correct.

28 / 40

Which of the following statements is FALSE?

if a tire blows, you should put the brakes on hard to stop quickly

anti-lock braking systems (ABS) only activate when wheels are about to lock

stopping is not always the safest thing to do in an emergency

you can almost always turn to miss an obstacle more quickly than you can stop

29 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

drive with extra care in mountains and in bad weather

increase your following distance

all of the answers listed

none of the answers listed

30 / 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.

Increasing the wind drag.

None of the answers listed.

31 / 40

Which of the following are some suspension system defects?

broken leaves in leaf spring

cracked or broken spring hangers

all of these answers are correct

leaking shock absorbers

32 / 40

This object is required to be checked for damage, that it's secure, and strong enough to handle any cargo.

The platform

The header board

The apron

The fifth wheel

33 / 40

On the Hazardous Materials Table, column 1 shows:

To what shipping mode the information on that line applies.

What materials can be loaded together.

How to ship an item.

How much of the material can be put in a vehicle without placarding.

34 / 40

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

all answers listed

the center of the kingpin is past the locking jaw

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

the kingpin is over the fifth wheel

35 / 40

Select the true statement about retest markings:

All answers listed.

Must have a date of the last retest marked.

They must be stamped on the tank.

It shows what type of inspection or test was completed.

36 / 40

Which of the following should you NOT do if you experience a tire failure?

stay off the brake pedal

you need to be aware that a tire has failed

hold the steering wheel firmly

engage the brakes hard and immediately

37 / 40

These tires should have a minimum tread depth of 4/32 inches.

Drive axle tires

Non-steering axle tires

Donut tires

Steering axle tires

38 / 40

A minimum tread depth of 2/32 inch is required for:

Parking axle tires.

Non-steer axle tires.

Driving axle tires.

Donut tires.

39 / 40

Select the definition of "off-tracking."

it is when the trailer wheels go in a different direction from the front wheels

none of the answers listed

it is wheen the rear wheel skid and the front wheels maintain a straight path

it is when the rear wheels of the vehicle follow a different path way than that of the front wheels

40 / 40

How high should you crank the landing gear?

so that you can clear railroad tracks

until the crank handle is loose

as high up as it will go

for it to be 6 inches above the ground

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