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

Which seats must have a seat belt:

2 / 40

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

3 / 40

Select what you should do before leaving the vehicle unattended:

4 / 40

What are slack adjusters?

5 / 40

What does the drain valve for air tanks remove?

6 / 40

What are shippers trying to accomplish when they package the material?

7 / 40

When stopped on a divided highway where should your reflectors be placed?

8 / 40

Which of the following is a clue another driver is impaired:

9 / 40

Why is understanding the loading and unloading procedures so critical?

10 / 40

A placarded vehicle must carry what type of fire extinguisher?

11 / 40

In Column 1 the symbol "I" means:

12 / 40

Select the true statement in regards to driving a truck with triple or double trailers:

13 / 40

What does the air compressor governor control?

14 / 40

Suspension systems:

15 / 40

What is the standee line?

16 / 40

Select the statement that is not part of the air-brake system:

17 / 40

Which two special conditions indicate that you should downshift?

18 / 40

How do you hook a combination to a second trailer without spring brakes and without using wheel chocks?

19 / 40

Which of these statements about signaling is correct?

20 / 40

You do not have a hazardous materials endorsement on your commercial driver license. When can you legally haul hazardous materials?

21 / 40

How many different hazard classes are there?

22 / 40

What is the next step after securing the bus when you have an unruly child on board?

23 / 40

How often should you check the tires if your placarded trailer has dual tires?

24 / 40

How should the trailer be lined up when preparing to back the tractor up?

25 / 40

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

26 / 40

What are the dividers that are inside tankers that have an opening at the bottom and top?

27 / 40

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

28 / 40

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

29 / 40

When a substance in the materials table is written in italics it means :

30 / 40

A drawbridge does not have a traffic light showing green or a traffic control attendant. How many feet before the draw of a bridge must a bus driver stop?

31 / 40

Which hazard classes must you NEVER smoke, or perform any activity involving fire, within 25 feet of?

32 / 40

Liquid surge affects the handling of a tanker by:

33 / 40

The minimum tread depth for steering axle tires is:

34 / 40

Secure baggage and freight in ways that avoid damage and:

35 / 40

Select the true statement about tractor protection valve:

36 / 40

In the event of a tire failure you should...

37 / 40

Which signals may be used to warn of a stopped vehicle that contains explosives?

38 / 40

Select the reason as to why you should not use the trailer hand valve while driving.

39 / 40

The walls that separate compartments inside the tanks and having openings at the top and bottom are called:

40 / 40

How should you inspect a converter dolly?

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.