oregon
CDL Practice Test

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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

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

2 / 40

What is the benefit of ABS?

3 / 40

What is the earliest way to notice a trailer skid?

4 / 40

When transporting explosives you may not park:

5 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

6 / 40

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

7 / 40

Air pressure loss in a vehicle with a fully charged air system should be less than_______after the initial drop and brake applied.

8 / 40

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

9 / 40

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

10 / 40

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

11 / 40

If you must stop on the shoulder of the road, you should place warning devices at all of the following places except...

12 / 40

What color are all school buses painted?

13 / 40

Why is it dangerous to unlock the pintle hook with the dolly still under the rear trailer?

14 / 40

You should___to reduce the air leakage rate.

15 / 40

In what position should shut off valves on the rear of the last trailer be in on a set of double trailers?

16 / 40

The driver's manual advises you to disconnect the steering axle brake to keep the rig straight:

17 / 40

Select the true statement in regards to empty trucks:

18 / 40

To decide which placards you need, if any, what three things do you need to know?

19 / 40

A safe haven is ______.

20 / 40

If you are hauling hazardous materials and have ___ tires on your vehicle, you must stop and check them every time you park.

21 / 40

When you have a major leak in the service line and you apply pressure to the brakes, the service air pressure will escape and:

22 / 40

What is a passive railway crossing?

23 / 40

Two causes of tire fires are ______.

24 / 40

Do converter dollies have spring brakes?

25 / 40

What is the safest way to stop unruly behavior on the bus?

26 / 40

The purpose for the emergency air line is:

27 / 40

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

28 / 40

When there is a hazardous materials emergency. You should:

29 / 40

What is the service air line controlled by?

30 / 40

Select the accurate statement in regards to rolling up the landing gear to complete the coupling process.

31 / 40

When driving with multiple trailers, which one should be right behind the tractor?

32 / 40

You are required to have a tank endorsement when transporting:

33 / 40

What keeps air in the tanks should the air compressor develop a leak?

34 / 40

The brake pushrod should not move more than____for manual slack adjusters.

35 / 40

How should the pintle hook be when backing a dolly under the second trailer?

36 / 40

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

37 / 40

When transporting hazardous waste, you must:

38 / 40

The emergency air line is used to:

39 / 40

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

40 / 40

Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?

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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.