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

The bolst, brackets, or bushings that attach the air bag and/or spring to the vehicle and axle frame are _____.

shock dampeners

none of the answers listed

spring mounts

lug bolt

2 / 40

When arriving at the destination announce:

The location.

The reason for stopping.

The next departure time.

All of these answers are correct.

3 / 40

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

Tire rims

Lug bolts

Budd spacing or spacers

All answers listed

4 / 40

What should you check for when inspecting a converter dolly?

all answers listed

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

that the safety chains are secured to the trailer

that the spare tire is secured if there is one

5 / 40

When would a drive-wheel skid result in a jackknife when pulling doubles?

when the tractor brakes lock up

when the trailer slides to the right into the shoulder

when the trailer pushes the towed vehicle sideways

when the tractor spins around

6 / 40

The basic description of a hazardous material includes the hazard class, the identification number, and the proper shipping name. Which one must appear first on the shipping paper?

The proper shipping name.

The identification number.

The hazard class.

The box number.

7 / 40

Charter drivers should not:

Allow riders on the bus until departure time.

Remind riders about rules once trip begins.

Mention rules at the start of the trip.

Explain rules at the start of the trip.

8 / 40

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

Drive at a speed below the posted speed limit.

Drive at a speed higher than the posted speed limit.

Ride the brakes through the curve.

Pump the brakes through the curve.

9 / 40

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

200 feet behind the bus.

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

The right and left front tires touching the ground.

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

10 / 40

Which of the following statements about loading and unloading cargo tanks is false?

The person in attendance must be within 50 ft of the tanker.

The person attending the tanker must have a clear view of it.

The person in attendance must be aware of the danger.

The person in attendance must be authorized and able to move the vehicle.

11 / 40

When would you lock some emergency roof hatches in a partly open position?

Never

For fresh air

First day of spring

Whenever you enter a tunnel

12 / 40

How do you check the air flow to the last trailer?

watch the brake lights as you step on the brake pedal

pull the vehicle forward and then step on the brakes

listen for escaping air after opening the emergency shut off valve

while on an level surface, test the emergency brake lines

13 / 40

How do you check the coolant level?

None of the answers listed.

Remove the radiator cap once it is at operating temperature.

While wearing rubber gloves and safety glasses.

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

14 / 40

Select what you should do before leaving the vehicle unattended:

remove the keys from the ignition

apply the parking brakes

chock the wheels

all of these answers are correct

15 / 40

What is a passive railway crossing?

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.

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

16 / 40

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

17 / 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.

Parents of the students on the bus.

Students on the bus.

Bus driver.

18 / 40

How should you know when to shift?

road speed and wind speed

engine speed and road speed

every 3 to 5 seconds or engine speed

engine speed and the shift indicator light

19 / 40

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

all answers listed

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

you should try to avoid driving next to others when possible

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

20 / 40

Cylinders containing compressed gases may only be loaded onto a vehicle without a flat floor or platform if the cylinders are:

Loaded into racks attached to the vehicle.

In boxes that will keep them from turning over.

All of these answers are correct.

Loaded in an upright or horizontal position.

21 / 40

Carry-on baggage cannot be stored:

In the aisles and stairwells.

Behind the seats.

Under the seat.

On the seats.

22 / 40

Be careful to check the_____when unloading the smaller tanks of bulk heads.

the fuel to air ratio

percentage of water

percentage of alcohol

weight distribution

23 / 40

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

Yes

Any type of floor liner is sufficient

Never use a floor liner for any explosive class

24 / 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.

25 / 40

Buses are prohibited from carrying all of the following hazardous materials except:

Materials labeled radioactive in the space occupied by people.

Small-arms ammunition.

Properly secured tear gas canisters.

Properly labeled poison gas canisters.

26 / 40

This object releases the fifth wheel locking jaw to allow uncoupling.

The locking pins

The arm bar

The release arm

The apron

27 / 40

Hazardous materials (that are not forbidden) carried on a bus must be:

Carried in a metal box

Stored in the passenger compartment

All of these answers are correct

Labeled

28 / 40

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

Giving people something interesting to look at while driving.

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

Communicating risk.

Warning those with children to drive in another lane.

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

none of the answers listed

increase your following distance

all of the answers listed

30 / 40

Select the true statement about what the Air Compressor Governor controls:

it controls when the warning system is activated

it controls when the brakes will be applied

it controls when air is released from the storage tank

it controls when the air compressor pumps air into the storage tanks

31 / 40

You should_____when the low pressure warning is activated:

come to a safe stop while you still have control of the brakes

wait until the air brakes kick in automatically

maintain highway speed and keep an eye on your air pressure gauge

pump the brake pedal to come to a stop immediately

32 / 40

What does it mean when the safety valve releases air?

all of these answers are correct

you need it to have it checked out by a mechanic because something is wrong

there is too much air in the air compressor

pressure has passed 150 psi

33 / 40

When should you not use the parking brakes?

when the brakes are hot

while in hot weather

while on a steep hill

when air pressure is low

34 / 40

At a railroad crossing, the bus is required to stop at the stop line. If there is no clearly marked stop line, what is the required minimum and maximum stopping distance?

No closer than 15 feet and no further than 50 feet, where you have the best view of the tracks.

No closer than 10 feet and no further than 60 feet, where you have the best view of the tracks.

No closer than 15 feet and no further than 30 feet, where you have the best view of the tracks.

No closer than 10 feet and no further than 40 feet, where you have the best view of the tracks.

35 / 40

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

Drive axle tires

Steering axle tires

Non-steering axle tires

Donut tires

36 / 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 45-foot long trailer

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

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

37 / 40

Unless you_____you will feel the effects of a liquid surge.

make turns carefully and slowly

all answers listed

gradually come to a stop

haul thick liquids

38 / 40

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

four

one

two

six

39 / 40

An oncoming vehicle keeps its high beams on. You should deal with this hazard by:

None of these answers are correct.

Quickly flash your high beams to give them fair warning.

Turning your high beams on to "get back at them".

Look slightly to the right at a right lane or edge marking, if available.

40 / 40

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

2/32

3/32

4/32

1/32

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