Free Illinois CDL General Knowledge Practice Test 2022

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our IL General Knowledge Practice Test has the same questions as the real exam which is based on the Illinois CDL manual. Our CDL practice test covers most of the subject areas on the Illinois 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 Illinois 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 2022 IL commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
IL CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
1.
A vehicle is loaded with very little weight on the drive axle. What may happen?
2.
What is the minimum weight of a shipment of paper rolls that would require specific securement requirements?
3.
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
4.
Which of these is the best general rule for night driving?
5.
What violation has occurred on the below log?

6.
Which of these statements about emergency steering is true?
7.
By law, who is ultimately responsible for ensuring the safety and road-worthiness of a CMV?
8.
Which of these statements about backing a heavy vehicle is true?
9.
What time does a 14 hour rule violation occur?
10.
Which of the following can be used as part of the cargo securement system?
11.
What should be true about other drivers:
12.
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

13.
When you encounter a driver that appears to be distracted, you should:
14.
When you change your duty status, you must document all of the following except:
15.
To test for leaks on hydraulic brake systems:
16.
When a coolant container is part of a pressurized system which of these is true?
17.
In cargo securement, a 'well' is defined as:
18.
A stake pocket is:
19.
What should you do when you see a hazard in the roadway ahead of you?
20.
California allows 20,000 pounds maximum on the steer axle. The tread width of your tires is 11 inches, and the load rating on your steer tires is 7000 pounds. How much weight can you carry on your steer axle in California?
21.
Snow and ice must be removed from the radiator because otherwise:
22.
When securing rows of coils, requirements include all of the following except:
23.
What is a rub rail?
24.
To avoid driving when tired, if at all possible you should schedule your trips:
25.
A cleat is a short piece of wood used:
26.
What does EOBR stand for?
27.
The maximum distance from the rear allowed for attaching mechanisms used to secure roll-on/roll-off containers is:
28.
Which of the following headlight issues can be hazardous?
29.
Your vehicle will be put out of service if ____ or more leaves in any leaf spring are missing.
30.
Rust around wheel nuts may indicate what?
31.
You are checking your wheels and rims for a pre-trip inspection. Which of these statements is true?
32.
How does the weight of the vehicle affect stopping distance?
33.
Controlled braking is:
34.
What are the two most common tandem slider rail hole spacings, and roughly how much weight is transferred per hole?
35.
Which of these is true about hauling hazardous materials?
36.
After turning and getting up to speed:
37.
If unsure of the exact location of the center of gravity of your cargo, where would you rather have the center of gravity located if you couldn't get it centered?
38.
"Brake fade" is:
39.
You should use your horn when:
40.
Any CDL holder found to operating a CMV with ANY alcohol in his/her system will be placed out-of-service for a minimum of:
41.
Vehicles should be equipped with all of the following emergency equipment except:
42.
You are required to inspect your truck within how many miles after beginning the trip?
43.
One option of positioning bundles of building materials is:
44.
Working Load Limit (WLL)is defined as:
45.
Which of these statements about tires and hot weather driving is true?
46.
When checking the general condition of the vehicle, which of the following should be specifically addressed?
47.
You should stop driving:
48.
Convex (curved) mirrors:
49.
What can be the result of too much weight on the back of the trailer?
50.
In terms of cargo securement, what is a 'well'?