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.
Vehicle skids are often caused by:
2.
Turn signals facing the front should be amber or:
3.
When driving vehicles with ABS, braking:
4.
Which of these is NOT a danger when an automatic transmission is forced into a low gear at a high speed?
5.
What is the aggregate WLL of two indirect tiedowns with a WLL of 5,000 lbs, and one tiedown with a WLL of 6,000 lbs?
6.
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:
7.
At what time does a violation occur on this log?
8.
What is the maximum blood-alcohol concentration allowed for operating a school bus?
9.
In cargo securement, what is a 'cleat' defined as?
10.
The maximum weight limit on a single axle is:
11.
When road lighting is poor or confusing, you should:
12.
In mountain driving you will have to use a lower gear to drive safely on a grade. Which of these does NOT affect your choice of gear?
13.
Freeway exits can be dangerous for commercial vehicles, at what speed should you enter the exit?
14.
When securing building materials, spacer requirements include all of the following except:
15.
When is it acceptable to use amphetamines to help you stay awake while driving?
16.
You are starting your vehicle in motion from a stop. As you apply power to the drive wheels, they start to spin. You should:
17.
Which means of securement is prohibited when transporting coils with
the coil eye crosswise on the vehicle?
18.
In bad weather many drivers tailgate large vehicles. What should you do?
19.
Why should drivers avoid foreign objects in the road?
20.
What is the 8 day / 70 hour on duty limit?
21.
When starting in slippery conditions, you should:
22.
What will be the ultimate limitation that prevents you from putting the trailer tandems as far to the rear of the trailer as possible?
23.
When making a right turn, all of the following are good technical practices except:
24.
A combination of securing devices which form an assembly that attaches cargo to, or restrains cargo on, a vehicle or trailer, and is attached to anchor point(s) is a:
25.
When confronted with an aggressive driver, you should do all of the following except:
26.
You are driving a heavy vehicle. You must exit a highway using an off-ramp that curves downhill. You should:
27.
When exiting or entering on a curved freeway ramp, you should:
28.
A friction mat is used to:
29.
When you are passing a vehicle, pedestrian, or bicycle you should assume that:
30.
A key principle to remember about loading cargo is to keep the load:
31.
In case of a fire in the cargo area of a van or box trailer, you should:
32.
A dunnage bag is:
33.
When your vehicle is out of gear for more than its length, it will be scored as:
34.
Make sure that splash guards are properly fastened, and not:
35.
What are the two primary laws governing the placement of the tandems?
36.
When securing metal coils in a sided vehicle without anchor points:
37.
Can state inspectors inspect your truck or bus?
38.
How many anchor points should be used to secure an intermodal container on a chassis vehicle?
39.
What is the correct method of determining what percentage of fuel is distributed between the steer axle and the drive axles?
40.
What should you do when your vehicle hydroplanes?
41.
Using the following numbers, what would be the final result if you moved the 5th wheel back one hole?

steer axle: 12,300 pounds
drive axles: 33,100 pounds
Weight transfer: 500 pounds per hole
42.
When stopping before a turn, do all of the following except:
43.
How much force is the securement system required to withstand in terms of cargo weight?
44.
What is the minimum number of tiedowns to use on a load 4ft 7in long, and weighing 1,237 lbs?
45.
When starting down a hill, instead of using the foot brakes to control speed:
46.
Which of these is the most important thing to remember about emergency braking?
47.
The pre-trip inspection should show that the exhaust system is:
48.
The term 'edge protector' refers to:
49.
Which of the following will alter the gross vehicle weight?
50.
You have steer tires rated at 6,150 pounds each, and you're in the state of West Virginia which says the legal limit for the steer axle is 20,000 pounds. What's the maximum legal weight you can carry on your steer axle in West Virginia?