Free Oregon CDL General Knowledge Practice Test 2023

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our OR General Knowledge Practice Test has the same questions as the real exam which is based on the Oregon CDL manual. Our CDL practice test pack covers most of the subject areas on the Oregon General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, don't worry, you can take this practice test an unlimited number of times to make sure you learn all the questions. Our Oregon CDL Practice Test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2021 OR commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
OR CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
Vehicle skids are often caused by:
You're loaded heavy with 1/2 tank of fuel onboard. Using the following numbers, where should you move the 5th wheel to get it setup properly?

steer axle: 10,800 pounds
drive axles: 34,700 pounds
Weight transfer: 500 pounds per hole
What is the minimum weight of a shipment of paper rolls that would require specific securement requirements?
You can see a marking on a vehicle ahead of you. The marking is a red triangle with an orange center. What does the marking mean?
One can recognize hazardous materials by looking on the container:
Which statement is true?
Sometimes you need to leave a road to avoid a hazard or emergency. When you do, you should keep in mind, that:
Which of these is NOT a danger when an automatic transmission is forced into a low gear at a high speed?
Weight transmitted to the ground by one axle or one set of axles called:
When starting a bus on a level surface with good traction there is often no need for:
Securing cargo on a flatbed trailer is typically done using:
Which of these is not a brake check you normally do during your walk-around inspection?
A row of metal coils loaded with eyes lengthwise requires how many direct tiedowns over each side-by-side row or coil?
When using tiedowns to secure boulders, all of the following are requirements except:
Using 6 miles per gallon as your fuel mileage and 8 pounds per gallon for the weight of fuel, how much total fuel weight will you burn off in 600 miles?
What is the maximum blood-alcohol concentration allowed for operating a school bus?
Major signs of tire failure could include:
You're in Illinois which allows up to 20,000 pounds on the steer axle. You're heading to Indiana which only allows 12,000 on the steer axle. Your steer tires have a load rating of 6,500 pounds each. What is the maximum legal weight your steer axle can be for each of the two states?
Drivers should be aware that convex mirrors will make reflections look:
How current must your logbook be?
How many on duty hours are remaining after the following has been logged (use a scratch sheet of paper if you need to):
- On duty/not driving: 3 hours
- Driving: 4 hours
- Sleeper berth: 8 hours
- Driving: 7 hours
- Off duty: 2 hours
Touching or crossing over a boundary line during the driving exam is considered a(n):
Overweight, oversized loads:
What is the best advice for drivers when a heavy fog occurs?
How many violations occur on the below example?
Day 1

Day 2
The 14 hour limit can be extended by:
What is the maximum weight that can be secured by a tiedown with a marked WLL of 5,000 lbs?
All of the following should be part of the engine compartment check except:
When starting in slippery conditions, you should:
Cargo is contained when:
Your vehicle will be put out of service if ____ or more leaves in any leaf spring are missing.
When loading bell pipe on one tier, all of the following apply except:
In case you have to fight a fire, also aim the extinguisher:
Which of these statements about rear drive wheel braking skid is true?
After starting the engine:
What is the minimum aggregate WLL of all tiedowns in a group of concrete pipe?
Overall length limit on vehicles transporting machinery, poles, or structural objects is:
To avoid an accident you moved to the shoulder. The shoulder is clear, you should:
Is the following example within legal HOS limits?

- A trucker starts driving at 12:00pm
- At 5pm the driver takes a 1 hour break
- At 6pm the driver begins driving again
- At 11:30pm, the driver shuts down and goes off duty for 10 consecutive hours
When you are parked on the side of the road at night you must:
What is the correct method of determining what percentage of fuel is distributed between the steer axle and the drive axles?
All of these are requirements for securing longwood lengthwise except:
A steel coil weighing 21,000 lbs requires how much securement against forward movement?
You are driving on a two-lane road. An oncoming driver drifts into your lane and is headed straight for you. Which of these is most often the best action to take?
Which of these is NOT a good rule to follow when caring for injured persons at an accident scene?
Sliding your 5th wheel will redistribute the weight mainly between which two sets of axles?
If you are able to exert 200 pounds of force against an object but you are only exerting 50 pounds of force to do so, what method are you applying to make this happen?
In terms of cargo securement, what is a 'well'?
CDL drivers from New York State require the Metal Coils Endorsement when transporting metals coils weighing:
The pre-trip inspection should generally include how many steps?