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

When fueling a placarded vehicle, someone must always be:

2 / 40

When should you drain air tanks that do not have an automatic tank drain?

3 / 40

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

4 / 40

Your engine runs a pump when you are delivering compressed gas. Should you turn off your engine before or after you unhook the hoses after finishing that delivery?

5 / 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.

6 / 40

How should you know when to shift?

7 / 40

Signs of distracted drivers include:

8 / 40

Select the two reasons as to why special care is needed when driving a tank vehicle:

9 / 40

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

10 / 40

What will probably happen if the converter dolly is still under the second trailer and the pintle hook is unhooked?

11 / 40

Select the best description of a baffle tank:

12 / 40

Select whether the following statement is true or false: Front wheel brakes are good to use in all conditions.

13 / 40

It takes special care to drive tankers with liquid in them because:

14 / 40

Select the true statement about empty trucks:

15 / 40

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

16 / 40

Select the purpose of fanning air brakes:

17 / 40

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

18 / 40

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

19 / 40

What action should you take if there is no phone available and you discover your hazardous materials shipment leaking at a rest stop?

20 / 40

When should you check your mirrors for a lane change?

21 / 40

The shipping papers for hazardous materials can be found:

22 / 40

The golden rule for school buses when approaching and crossing railroad tracks is:

23 / 40

Select the correct description for a bulkhead tank.

24 / 40

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

25 / 40

How much space should you see between the lower and upper fifth wheel when checking the coupling of a converter dolly?

26 / 40

These tires should have a minimum tread depth of 4/32 inches.

27 / 40

You downshift automatic transmissions ______.

28 / 40

Why is understanding the loading and unloading procedures so critical?

29 / 40

Select the definition for outage:

30 / 40

What is a king pin?

31 / 40

This object is required to be checked for damage, that it's secure, and strong enough to handle any cargo.

32 / 40

Should your air compressor stop working:

33 / 40

You should place the starter switch key into your pocket while you are performing the pre-trip inspection because:

34 / 40

It is important for driving safety to always be looking ahead. Which of the following is NOT a recommended time/distance that you should be looking ahead?

35 / 40

You are checking the_______when looking at the dipstick to see if the lubrication is at the safe operating range or above the refill line.

36 / 40

To be sure that air is supplied to the second trailer:

37 / 40

What are some of the important parts in the steering system?

38 / 40

Which of the following is the proper definition of a cargo tank?

39 / 40

A shipment described on the Hazardous Waste Manifest may only be delivered to another _______ carrier or treatment facility, who then signs the ______, giving you a copy which you must keep.

40 / 40

Select the situation in which you should use the hand valve to park a combination vehicle.

Your score is

The average score is 59%

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.