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

Should your air compressor stop working:

there will still be air pressure left in the air tanks

there will be no affect to your brakes

you will lose your ability to brake immediately

the brakes will lock up on you immediately

2 / 40

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

use the trailer brakes only

do stab or controlled braking

slam down the brake pedal and keep pressure on it

none of the answers listed

3 / 40

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

the vehicle is manufactured after 1998

the vehicle is manufactured after 2001

the vehicle is manufactured after 2005

the vehicle is manufactured after 1990

4 / 40

While completing the 1st component of the air brake check you are required to fully push down on the foot brake and _____.

see if the air pressure drops more than 3 lbs in a minute while holding it down for that full minute in a single vehicle

both of the answers listed

see if the air pressure drops more than 4 lbs in a minute while holding it down for a full minute in a combination vehicle

none of the answers listed

5 / 40

Which of the following statements about stopping distances is NOT true?

brakes, tires, springs and shocks are designed to work best when the truck is empty

trucks traveling on ice or snow require greater stopping distances

empty trucks require greater stopping distances because they have less traction

trucks traveling at higher speeds require greater stopping distances

6 / 40

You should brake on a long steep downgrade hill as a supplement to the braking effects of the engine

yes

when the vehicle is runaway

when the GVCW is above 20,000 lbs

7 / 40

What will occur if you cross the connect the air lines?

the tractor brakes will lock up

there will not be air going to the trailer brakes

nothing will occur, it'll funciton as normal

the tractor will not be able to move

8 / 40

You should turn off your engine when loading flammable liquid unless:

You are loading at night and need the headlights.

You need the engine to run the pump.

You are a non-smoker.

The material does not need a placard.

9 / 40

The front trailer supports should be____before driving away.

3 turns down from the top and the crank handle secured in its bracket

raised fully and the crank handle secured in its bracket

raised 1/3 of the way with the crank handle secured in its bracket

raised 1/2 way with the crank handle secured in its bracket

10 / 40

Select the true statement about handling triples and doubles:

triples and doubles handle the same as singles

due to off-tracking, a triple bottom rig can come to a stop faster than a 5-axle tractor

because of the crack the whip effect, the rear trailer of a 100-foot triple is less likely to tip over

a tip over of the rear trailer can occur due to sudden movements of the steering wheel

11 / 40

If you are drowsy, you should _____ before you drive.

drink coffee

do a little exercise

take a cold shower

get sleep

12 / 40

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

175 psi

225 psi

125 psi

100 psi

13 / 40

Select the true statement in regards to brake drums:

All of these answers are correct.

They are located at both ends of the axles of the vehicle.

They are bolted to the wheels.

Hold the brake linings and shoes.

14 / 40

To maintain alertness during the trip, drivers should:

all of these answers are correct

schedule trips during the daytime hours

get 8-9 hours of sleep

avoid medications that cause drowsiness

15 / 40

What is the correct number of red reflective triangles that you should carry?

one

five

three

seven

16 / 40

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

because other drivers do it

safety for yourself and other road users

to make sure nothing has been stolen from the vehicle

to make sure the vehicle will make your destination

17 / 40

This object should not move more than an inch by pulled by hand with the brakes released for manual slack adjusters.

The brake pushrod

The air lines

The brake chambers

The bounce absorbers

18 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

look for vehicles coming into your lane

look for brake lights from slowing vehicles

determine if there are any hills coming up

determine if there are any upcoming traffic lights that might require you to stop

19 / 40

On tandem axle for trailers, the sliding mechanism and locking device is:

Metal frame

Air brake system

Tandem release (locking pin/arm)

Fifth wheel

20 / 40

The parking brakes should be used____in air brake vehicles.

only when parked on an incline

every time the vehicle is parked

as rarely as possible

only during post trip inspection

21 / 40

This object should be clean with no obstructions, illegal stickers or damage to the glass.

The windshield

The side mirrors

The lighting indicators

The headlights

22 / 40

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

you will need it to open the side box

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

you will need it to inspect the trailer

so you don't lose it

23 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

about 1/4 mile

about two car lengths

about two truck lengths

about the length of a football field or 100 yards

24 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

about two truck lengths

about two car lengths

about the length of a football field or 100 yards

about 1/4 mile

25 / 40

Select the true statement in regards to quick steering movements and double trailers:

you should apply a firm pressure to the brake pedal at the same moment you do quick steering movements

nothing will occur

it is easier to countersteer doubles/triples than other vehicles

it is easier to tip doubles and triples from quick steering movements than other vehicles

26 / 40

You can be sure air is supplied to the second trailer by:

watch the air gauge for a drop of 30 psi

while driving at 10 mph apply the hand valve you should stop at the same in the same distance as a single trailer driving at 5 mph

going to the rear of the second trailer and open the emergency line shut off

you should get out and listen for air flowing through the lines

27 / 40

The method for testing hydraulic brakes for leaks is to _____.

hold the brake down for 5 seconds and listen for leaks

pump the brake pedal 5 times and apply firm pressure for 3 seconds the pedal should not move

pump the brake pedal 3 times and apply firm pressure for 5 seconds the pedal should not move

all of these answers are correct

28 / 40

You should have the fifth wheel plate greased as recommened because:

it will ensure a good electrical connection

it will reduce noise and heat

it will prevent steering problems

it will ensure a good air line connection

29 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

under loaded front axles

too much weight on the steering axles

high center of gravity

too little weight on the driving axles

30 / 40

In what position should the converter dolly air tank drain valves and pintle hook be in?

closed and open

closed and latched

open and open

open and latched

31 / 40

Play of the steering wheel should not exceed:

15 degrees

30 degrees

5 degrees

10 degrees

32 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

aggressive driving

defensive driving

tailgating

road rage

33 / 40

To transport cargo safely, which of these are you NOT responsible for?

inspecting the cargo

making sure that cargo is properly secured

recognizing possible overloads

ensuring the freshness of sealed cargo

34 / 40

Front wheel brakes are good under what kind of conditions?

icy or wet conditions

any weather conditons

they are not ideal

ideal weather conditions

35 / 40

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

above 12 degrees to the right of the trailer

directly in front of the trailer

about 12 degrees to the left of the trailer

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

36 / 40

If you double your speed, what will happen to your stopping distance?

it stays about the same

none of these answers are correct answers are correct

it increases by four times

it increases by two times

37 / 40

Select the reason as to why air tanks need to be drained:

to provide greater control of your vehicle

tanks usually do not need to be drained

to prevent the left sided brake from locking up

to release water and other contaminents which may cause brakes to fail in freezing weather

38 / 40

Select the statement that is true in regards to quick steering movements and triple/double trailers:

it is easier to countersteer compared to other vehicles

as you perform quick steering movements you should apply pressure to the brake pedal

there are no issues that occur from quick steering

they flip over due to quick steering movements a lot easier than other vehicles

39 / 40

Which of the following statements is FALSE:

Do not transport intoxicated passengers.

Avoid fueling your bus with riders on board unless absolutely necessary. never refuel in a closed building with riders on board.

Do not tow or push a disabled bus with riders aboard either vehicle, unless getting off the bus would be unsafe.

Do not talk with riders or engage in any other distracting activity while driving.

40 / 40

Air tanks need to be drained:

to prevent water and oil from building up in the tank

air tanks should absolutely never be drained

to keep the tanks cold when not in use

to keep the tanks warm when not in use

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