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.
You must drive through deep or flowing water, you should not:
2.
Which of these statements about stopping distance and speed is true?
3.
What does HOS stand for?
4.
Which of these statements about driving in areas with strong wind is true?
5.
Why is it important to shift gears correctly?
6.
"The driver’s manual suggests several things to do when you pass a vehicle. Which of these is NOT one of them?"
7.
Methods to keep a cradle from sliding include:
8.
When securing an intermodal container on a chassis, what is the maximum allowable vertical travel when secured?
9.
When using tiedowns to secure boulders, all of the following are requirements except:
10.
A stack of shortwood loaded lengthwise can be secured with one tiedown if:
11.
If your brakes fail on a downgrade, you must first:
12.
Concrete pipe loaded crosswise generally:
13.
When loading and securing a boulder, it should be:
14.
By definition, what is a wedge?
15.
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

16.
Retarders:
17.
The distance the truck will travel between noticing a hazard and hitting the brakes is:
18.
What are the four basic weight limits?
19.
When driving, when is it acceptable to signal other drivers that it is safe to pass?
20.
While exiting the vehicle for a 'look', how many points of contact must you keep with the vehicle at all times?
21.
What is the most important reason to inspect your truck or bus?
22.
If you are being tailgated, you should not:
23.
While driving through an intersection, you should:
24.
When securing concrete pipe loaded crosswise, arrange the top tier:
25.
What are most front-wheel skids caused by:
26.
The engine brake effect is greater when the engine is _____ governed RPM and the transmission is on a _____ gear.
27.
What should you do if you are unsure whether you have enough overhead clearance?
28.
What violations occurred in this example?
Day 1

Day 2
29.
You may hang up on a railroad track if:
30.
Which vehicle will have the most difficulty staying in its lane during strong wind?
31.
A traffic emergency requires you to escape to the shoulder or roadside. If possible, slow down to ____ mph before using your brakes.
32.
Specific cargo securement rules on automobiles and light trucks apply to vehicles of what weight?
33.
All of the following are classified as "a drink" and contain the same amount of alcohol except:
34.
Under normal circumstances, what is the maximum allowed width for commercial vehicles?
35.
Which of these is not a type of retarder?
36.
If you do not have a CB-radio, what procedure should you follow on an accident scene?
37.
To correct a drive wheel braking skid, you should:
38.
What hours must your logbook show?
39.
When securing metal coils, it is acceptable to use nailed blocking or cleats as the sole means to secure:
40.
To avoid an accident you moved to the shoulder. The shoulder is clear, you should:
41.
If you were instructed to 'tarp' a load, what would you be using?
42.
What is the minimum WLL used to block forward movement of cargo weighing 36,500 lbs?
43.
HOS regulations were designed to do all of the following except:
44.
Sliding your trailer tandems toward the front or back of the vehicle will primarily change the weight distribution between which sets of axles?
45.
What kind of extinguisher should be used on burning paper, wood, or cloth?
46.
Some of the serious driving errors that can be caused by alcohol include:
47.
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?
48.
As part of their pre-trip cargo securement inspection, drivers should:
49.
Improperly loaded or secured cargo:
50.
What violations occurred on the below example?