oregon
CDL Practice Test

Welcome to the Oregon CDL practice test site. You can take these practice test questions as many times as you like, as all of the driving practice tests on this site are completely free. The questions are all derived from the Oregon CDL driving manual and should help you prepare for the official Oregon CDL test. 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

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

False, it's when the vehicle air braking system fails in some way

False, it's when the vehicle engine fails in some way

False, it's when the vehicle power system fails in some way

True

2 / 40

Which of the following types of emergency equipment must you have on your bus?

Spare electric fuses, fire extinguisher, and accident reporting kit.

Hydraulic jack, fire extinguisher, and signal flares.

Fire extinguisher, spare electric fuses, and reflectors.

Reflectors, fire extinguisher, and accident reporting kit.

3 / 40

In what position should the converter dolly air tank drain valve be in for double trailer combination?

in an open position

in a 1/3 open position

in a halfway closed position

in a closed position

4 / 40

What is a supply pressure gauge used for?

it tells you how much pressure is in the air tanks

it tells you how much slack is in the slack adjusters

all of these answers are correct

it tells you how much pressure is in the air lines

5 / 40

Which of the following is a recommended procedure when unloading the students?

Put the transmission in neutral gear and put on the brakes.

Position yourself outside of the bus in front of crossover mirror to supervise unloading.

Tell students to remain seated until they are told to exit.

Let the students begin moving to the front of the bus before it's fully stopped to maximize efficiency.

6 / 40

Where are the two main places where the hazardous material identification number appears?

On the package and on paperwork at the shipping destination.

On the package and on paperwork at the shipping point of origin.

On the shipping papers and on the package.

On the shipping papers and on a secret document in the driver's wallet.

7 / 40

In Column 1 the symbol "I" means:

Iodine.

International restrictions.

Invalid substance.

International transportation.

8 / 40

What is most likely to occur when driving double and a set of trailer wheels goes into a skid?

none of the answers listed

the trailer will jackknife

the rig will continue straight ahead but will slide sideways

the tractor will continue moving in a straight line no matter how you turn the steering wheel

9 / 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 truck lengths

about the length of a football field or 100 yards

about two car lengths

10 / 40

The safety catch for the fifth wheel locking lever must be ____ for a coupling to be complete.

below the locking lever

threaded through the locking lever

above the locking lever

sticking straight up

11 / 40

What can side to side surge cause?

A spontaneous combustion.

An increase in speed.

An engine system failure.

A roll over.

12 / 40

Mirrors with a convex surface or "spot" mirrors _____.

make things look farther away and smaller than they actually are

are illegal in most states

make things look closer and larger than they actually are

they show a larger area than flat mirrors so do not need to be checked as often

13 / 40

A driver of a tanker should use an escape ramp when _____.

when the tanks has bulkheads

only in ideal conditions

only when it's raining

the vehicle has lost braking power

14 / 40

You downshift automatic transmissions ______.

before going down a hill

half way down a hill

at the bottom of a hill

none of these answers are correct

15 / 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 kingpin is over the fifth wheel

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

16 / 40

What does the air compressor governor control?

when air pressure is applied to the brakes

when air is pumped into the air tanks

when the air is taken out of the hoses

when the valve system releases pressure

17 / 40

Which of the following is a key steering component?

torque rod

bearing plate

gear box

leaf spring

18 / 40

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

stay off the brake pedal

engage the brakes hard and immediately

you need to be aware that a tire has failed

hold the steering wheel firmly

19 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

Exhaust system

Air coolant system

Windshield fluid line

Fuel tank

20 / 40

What are you checking when looking at the lubrication level on a dipstick?

The windshield wiper fluid level

The power steering fluid level

The horn fluid level

The oil level

21 / 40

Which of the following statements is FALSE:

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 transport intoxicated passengers.

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

22 / 40

Your bus is disabled. With riders aboard, the bus may be towed or pushed to a safe place only:

If the distance is less than 500 yards.

By a 27,000 lbs gvwr or larger tow truck.

If getting off the bus would be more risky for the riders.

By another bus with its four-way flashers on.

23 / 40

If you do become sleepy while driving, you should _____.

drink caffeinated beverages

turn up the radio

stop to sleep

roll down the windows

24 / 40

At what pressure is the safety valve in the air compressor tank set to open?

150 psi

225 psi

100 psi

125 psi

25 / 40

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

Describe the hazardous materials first.

Have the hazardous materials highlighted.

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

Any one of the above.

26 / 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

27 / 40

Which of the following is a reason to evacuate the school bus?

The bus is stalled on a rail road track, but there is no train in sight.

A child set off a stink bomb inside the bus.

The bus is stalled on a shoulder of a 4-lane divided highway and it is getting hot inside.

The bus abs warning light is on.

28 / 40

What product is typically carried in a liquid tank trailer without baffles?

Fertilizer.

Food or milk products.

Hydrogen peroxide.

Fuel.

29 / 40

If you are required to stop at railroad crossings, you must:

Proceed only when you are sure no train is coming.

All of these answers are correct.

Stop 15 to 50 feet before the nearest rail.

Remember to never shift gears while crossing tracks.

30 / 40

With the controlled braking method, you _____?

apply the brakes as hard as you can without locking the wheels

apply the brakes all the way until the wheels lock up, release the brakes and apply them again when the wheels start to roll again

lightly apply braking pressure

repeatedly tap the brakes as fast as you can

31 / 40

Which of the following is a necessary qualification for non-bulk packaging?

Maximum water capacity of 454 kg or less if used as a receptacle for gases.

All of these answers are necessary qualifications.

A maximum capacity of 450 l or less if it is used as a receptacle for liquids.

Maximum net mass of 400 kg, or less than 450 l if used as a receptacle for a solid.

32 / 40

What is the most important reason for doing a vehicle inspection?

to insure that you will achieve the best gas mileage

to save you money by preventing costly repairs

safety for yourself and other road users

federal and state laws require you to inspect your vehicle

33 / 40

Select which is not a mandatory emergency equipment:

A rated and properly charged fire extinguisher.

Tire changing equipment.

Extra electrical fuses.

6 fuses, 3 red reflective triangles, or 3 liquid burning flares.

34 / 40

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

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

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

there are no issues that occur from quick steering

it is easier to countersteer compared to other vehicles

35 / 40

Which of these statements about signaling is correct?

Leave your signal on long after you've changed lanes.

Signal your intentions early and continuously.

Signaling is a warning, not a request.

Signal to others that it is safe to pass your bus.

36 / 40

Select the true statement about emergency steering and tankers:

None of the answers listed.

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

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

It is easier to counter steer than other vehicles.

37 / 40

On the Hazardous Materials Table, column 1 shows:

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

To what shipping mode the information on that line applies.

How to ship an item.

What materials can be loaded together.

38 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

put the gears in neutral

look for an escape ramp or an escape route

pump the brake pedal

downshift

39 / 40

When transporting hazardous loads, you must check the tires at least:

Every six hours.

Every 200 miles.

Every two hours or 100 miles.

Twice every day.

40 / 40

The best way to go into a curve is to decrease your speed going into the curve and then ____going through it.

ride the brake

none of the answers listed

shift down 2 gears

slightly accelerate

Your score is

The average score is 0%

5/5 - (2 votes)

CDL Category Practice Tests

CDL Practice Test

How To Get An oregon Commercial Drivers License

To be eligible for a CDL in Oregon, applicants must meet the following age eligibility requirements.

Be at least 18 years old to operate a commercial vehicle intrastate (within Oregon only).
Be at least 21 years old to operate a commercial vehicle interstate (outside of Oregon).

Oregon CDL applicants must be medically certified that they are physically capable of operating a commercial vehicle and pass a vision test. Oregon applicants must have the forms signed by a CDL-certified doctor.

Applicants are required to submit Form MCSA-5876, a Medical Examiner’s Certificate and Form 735-7369, a Self-Certification of CMV Driving Type.

All required paperwork must be completed before applying for a CDL. These documents must be brought to the appointment at the Oregon Department of Motor Vehicles.

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Oregon. Applicants can be disqualified for having multiple licenses.

Oregon 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

oregon CDL License Test Tips

All Oregon CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Oregon test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The Oregon 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 current 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 discharged from the military within the past 12 months of applying for a CDL.
Submit an Application for CDL Skills Test Waiver.

Additional Information

Information on the Oregon Department of Transportation

The Oregon Department of Transportation administers CDL license regulations in Oregon. To get more information contact them via:

Website: https://www.oregon.gov/ODOT/DMV/Pages/DriverID/CDLget.aspx

Phone: 503.945.5000

Additional Oregon CDL Helpful Links

Please use the links below to access Oregon CDL testing resources and to learn more about practice driving tests for the state of Oregon.

oregon CDL Practice Test