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 amount of liquid you can carry depends on:

The density or weight of the liquid.

How much you can legally carry.

How much the liquid will expand during the trip.

All answers listed.

2 / 40

The manual says you should look _____ ahead while driving.

9 to 12 seconds, at highway speeds, about a quarter of a mile

15 to 20 seconds, at highway speeds, about a half of a mile

5 to 8 seconds, at highway speeds, about an eighth of a mile

12 to 15 seconds, at highway speeds, about a quarter of a mile

3 / 40

What position should the heaviest trailer be in when pulling 3 trailers?

in the front

in the back

it makes no difference

in the middle

4 / 40

You must have placards for explosives, poison gas or flammables exceeding:

10 cartons

Any amount

100 pounds

10 pounds

5 / 40

A commercial motor vehicle (CMV) is defined as:

all of these answers are correct

a vehicle transporting 16 or more passengers

a vehicle transporting hazardous materials

a vehicle with a gross weight over 26,001 lbs

6 / 40

While completing the 2nd component of the air brake check you are required to turn the electrical power on, begin fanning off the air pressure by rapidly relasing and apply the foot brake and _____.

the tractor protection valve and parking brake valve should pop out before air pressure falls below 60 psi for combination vehicles

none of the answers listed

a low air warning device should sound before the air pressure drops below 40 psi

a low air warning device should sound before the air pressure drops below 60 psi

7 / 40

You should check____when loading the small tanks of a cargo tank with bulkheads.

the expansion rate

none of the answers listed

the weight distribution

the fuel to air ratio

8 / 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 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

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

9 / 40

The best way to describe a dual air brake system is:

there are 2 separate air brake systems that have their own hoses, lines etc

all of these answers are correct

there are 2 separate air brake systems that supply air to the trailer if there is one

there is a primary and secondary system that is 2 separate air brake systems

10 / 40

This gauge will indicate if the generator or alternator is charging:

Oil pressure

Voltmeter/ammeter

Coolant

Gas tank

11 / 40

What will happen right away should the service air line come apart but the emergency line is intact while driving a combination vehicle?

the emergency tractor brakes will activate

you will come to a complete stop

nothing will occur until you try to use the brakes

the trailer's air tank will leak through the one line

12 / 40

For what reason do you keep the starter switch key in your pocket during the pre-trip inspection?

so no one moves the vehicle while you are inspecting underneath it

you will need it to open the side box

you will need it to inspect the trailer

so you don't lose it

13 / 40

Who is responsible for certifying on the bills of lading that the hazardous materials are prepared properly?

The carrier

The dock workers

The driver

The shipper

14 / 40

With Division 1.1, 1.2, or 1.3 Class A or B, how close can you park to a bridge, tunnel, or building?

Do not park within 500 feet.

Do not park within 200 feet.

Do not park within 300 feet.

Do not park within 100 feet.

15 / 40

What placards, if any, do you need if your load includes 20 pounds of Division 2.3 gas and 1,001 pounds of flammable gas?

Just dangerous placards are required.

Poison 23 and dangerous.

None, you cannot load these materials together.

Poison 23 and flammable gas 21.

16 / 40

Select the false statement about suspension:

Check for broken or cracked spring hangers.

Check to make sure torsion bars and/or arms are lubricated.

Check for distorted or broken coil springs.

Check for shifted, missing, or cracked leaf springs.

17 / 40

Select the purpose of fanning air brakes:

it decreases the braking power

it cools them down

it increases the air pressure

lower air pressure

18 / 40

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

125 psi

175 psi

100 psi

225 psi

19 / 40

What do you do first during step 3 of starting the engine and inspecting the inside of the cab?

Shift the gear to neutral.

Listen for any unsual noises after starting the engine.

Start the engine after getting in the cab.

Make sure the parking brake is activated after getting in the cab.

20 / 40

Select which vehicles are required to have a low air pressure warning signal:

all operating vehicles with air brakes

all vehicles built after 2005

all vehicles built after 2010

they are optional

21 / 40

Which of the following is something the driver must watch for:

Appropriate clearance around and over the bus.

Poles and tree limbs at stops.

All of these answers are correct.

Gaps your bus needs to accelerate and merge with traffic.

22 / 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

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

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

all answers listed

23 / 40

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

Driving axle tires.

Donut tires.

Non-steer axle tires.

Parking axle tires.

24 / 40

What color and shape is the trailer air supply control?

it is a square knob that is yellow

it is an 8-sided knob that is red

it is a triangle-shaped knob that is red

it is a square knob that is red

25 / 40

A hazard class that uses transport indexes to determine the amount that can be loaded in a single vehicle is _____.

Class 6 poisons

Class 7 radioactive materials

Class 3 flammable liquids

Class 1 explosives

26 / 40

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

only at the end of the shift

only every 7 days

yes

27 / 40

Which seats must have a seat belt:

Senior citizen seats.

The driver's seat.

Women and children seats.

All of these answers are correct.

28 / 40

This item should be firmly attached the to frame, be solid, and clear of objects:

The lock pins

The catwalk

The locking jaw

None of these answers are correct answers are correct

29 / 40

The CDL manual indicates the last step on picking up students at the bus stop is as follows:

Activate the amber flashing caution lights to warn vehicles that the bus will stop to load passengers soon.

Open the service door just enough to activate the alternating red light when traffic is in a safe distance from the bus.

Make a final check to confirm all traffic stops before opening the bus door and signaling students to approach.

Place transmission in park or neutral and set parking brake.

30 / 40

You are inspecting the_____when looking for broken welds, cracks, holes, or other damage to the longitudinal frame member, cross members, box, and floor.

apron

catwalk

fifth wheel

frame

31 / 40

The system that needs to be checked for signs of leaks with rust or carbon soot and damage is the _____.

air brake system

none of the answers listed

fifth wheel

exhaust

32 / 40

Why are you required to take an exam about air brakes?

you would have to get a CDL with a restriction otherwise

all trucks have air brakes

it is a federal requirement

you cannot receive a CDL at all otherwise

33 / 40

When transporting both hazardous and non hazardous materials, your bills must:

Identify the materials by the letter x or rq in the hm column.

Any one of the above.

Describe the hazardous materials first.

Have the hazardous materials highlighted.

34 / 40

Remember to_____to prevent rollovers.

all answers listed

have the load centered

drive slowly around turns

have the load as low to the ground as possible

35 / 40

Which of the following statements is true about speed management?

You should be able to stop within the distance that you can see ahead.

All of these answers are correct.

The posted speed limit is safe for all conditions.

Speed limits for buses are the same as cars.

36 / 40

For emergency braking to avoid a crash when driving a double trailer you should:

slam down the brake pedal and keep pressure on it

do stab or controlled braking

use the trailer brakes only

none of the answers listed

37 / 40

As the driver of a bus, how can you best avoid hindering other traffic on the highway?

By staying in the right lane if you can.

By never passing.

By passing only the slowest vehicles.

By driving faster than the other traffic.

38 / 40

A bus has a GVWR of 22,000 pounds and seats 24 passengers. What CDL class is this vehicle?

Class D

Class B

Class A

Class C

39 / 40

When approaching railroad tracks, stop your bus:

Only if you have manual transmission, then proceed with flashers on.

15 and 50 feet before railroad crossings.

5-10 feet before railroad tracks.

On the tracks so you can see if the train is coming.

40 / 40

If your bus has an emergency exit door, it must:

All of these answers are correct.

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

Be closed when operating the bus.

Have a red electric door light turned on at all times.

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