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
You must drive through deep or flowing water, you should not:
Which of these pieces of emergency equipment should always be carried in your vehicle?
Which of these statements about emergency steering is true?
If you are stopped at a roadside rest area and found to have a BAC (Blood Alcohol Concentration) of 0.02 you will:
"According to the driver’s manual, why should you limit the use of your horn?"
Special permits will be required for loads that are:
You are inspecting hydraulic brakes. You should pump the brake pedal three times then apply firm pressure to the pedal for five seconds. If the brakes are working properly, the pedal should:
You are checking your steering and exhaust system in a pre-trip inspection. Which of these problems, if found, should be fixed before the vehicle is driven?
Which day below contains at least 1 violation?
Day 1

Day 2
What does the 14 hour on duty limit mean?
You weigh the truck immediately before and after fueling. Based on the following, determine what percentage of the weight goes to each set of axles:

Before fueling:

steer: 10,200, drives: 31,300, gross: 71,700

After fueling:

steer:11,000, drives: 31,500, gross: 72,700

On an accident scene, if a qualified helper is present you should:
Escape ramps on downgrades:
Which of these is true about hazardous materials:
All of the following are requirements for transporting coils with eyes crosswise except:
What is a 34 hour restart?
Which of these is not required knowledge for drivers seeking a hazardous material endorsement?
A single metal coil with eye vertical weighing 6,350 lbs requires tiedowns with a minimum aggregate WLL of:
Based on the following information, how much fuel can you legally add while remaining legal on the drive axles?

Percentage of fuel weight to drive axles: 25%

Weight Before Fueling: Steer: 11,275, drives: 33,800, gross: 77,420

How many tiedowns are required on a stack of shortwood loaded crosswise?
Which of these statements about drugs is true?
When securing metal coils with eyes vertical, the angle between tiedown and deck, if possible, should be:
A left-hand turn should end:
When driving, when is it acceptable to signal other drivers that it is safe to pass?
If you are driving while sleepy, the safest remedy is:
Impaired drivers who present potential hazards may tend to:
The bridge formula:
Which of the following require an additional CDL endorsement to drive?
You receive a scale ticket and your drive axles are 32,200 and your trailer tandems are 35,100. Based upon the two most common tandem slider rail hole spacings, what is the minimum number of holes you would have to slide the tandems to get the weight legal, and in which direction?
You are driving a heavy vehicle with a manual transmission. You have to stop the vehicle on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion up the grade?
What is the total WLL of two 20mm nylon ropes and one 5/8-inch wire rope?
How far should a driver look ahead of the vehicle while driving?
In case of a fire in the cargo area of a van or box trailer, you should:
A 30 minute break violation occurs on the below example. What day and time does the violation occur?
Day 1

Day 2
The maximum allowable overall length for semitrailers is:
When using tiedowns for securing cargo, what is the general rule regarding cargo length.
When your vehicle is out of gear for more than its length, it will be scored as:
When securing a metal coil with eyes lengthwise, all of the following are steps for securement option #1 except for:
Containerized loads:
Which of the statements about backing a heavy vehicle is NOT true?
Requirements for securing heavy vehicles, equipment, and machinery apply at what weight?
A good inspection habit is for the driver to re-inspect the cargo:
The most common cause of skids is:
Coming down steep, long, downgrades will require a driver to:
When checking the general condition of the vehicle, which of the following should be specifically addressed?
What violation occurs at 2:00 p.m. on this example?
When securing a single metal coil with eye vertical, tiedowns must be arranged according the all of the following except:
What violation occurs in the example below?
Day 1
"You do not have a hazardous materials endorsement on your commercials driver’s license. You are asked to deliver hazardous materials in a placarded vehicle. You should:"
What kind of extinguisher would you use to fight an electrical fire?