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 are driving at night and you must dim your headlights for traffic. Good speed management says you should:
2.
Which of these is NOT a good thing to do when driving on slippery roads?
3.
To help you to stay alert while driving, you should:
4.
What should you do before driving in mountains?
5.
When can your logbook be inspected?
6.
You are driving in an area with few streetlights, if you cannot see well with your headlights, which of the actions may help:
7.
Which violation occurs on the below example?
8.
Commercial drivers are allowed to hold CDL's in how many states at the same time?
9.
On what day and time does an 11 hour rule violation occur?
Day 1

Day 2
10.
When securing a load of lengthwise longwood logs weighing 42,500 lbs, what is the minimum aggregate WLL required for tiedowns? (rounded up to nearest lb)
11.
Proper fire prevention should include paying attention to all of these except:
12.
When driving in cold weather your tire tread should:
13.
Option #3 for securing metal coils transported with eyes lengthwise includes all of the following except:
14.
Why is damage to the exhaust system a danger?
15.
Why should drivers always be looking for hazards?
16.
Which of these statements about drugs is true?
17.
Which of the following are not a primary factor affecting weight distribution across the axles?
18.
Sliding the 5th wheel will change the weight distribution almost exclusively between which sets of axles?
19.
Which of the following is not true of Working Load Limit (WLL)?
20.
Any operator who refuses to submit to drug or alcohol testing, or who tests in excess of the legal limits, will be disqualified for a minimum of:
21.
When securing paper rolls with eyes horizontal, which of the following should be used to secure the rear-most roll?
22.
Cargo is contained when:
23.
A securement system must be capable of resisting how much lateral (side-to-side) force, at minimum?
24.
In cargo securement, the deck is:
25.
Steering wheel play should not be more than:
26.
A dunnage bag is:
27.
Your brakes can get wet when driving through heavy rain. What can happen if the brakes are applied?
28.
The condition in which water or slush collects on the road and your tires lose contact and have little or no traction is called:
29.
When securing a non-cubic boulder with an unstable base, the four surrounding chains must have a WLL of at least:
30.
What types of freight need to be secured properly?
31.
Which of the following vehicles will have the longest stopping distance?
32.
Why does vehicle speed naturally increase on a downgrade?
33.
In a pressurized cooling system, coolant level should be checked:
34.
Should brake adjustment be checked often?
35.
Cargo securement for a load weighing 37,000 lbs must be able to withstand a minimum forward braking force of:
36.
You must stop on a hill or curve on a two-lane-two-way road. How far should you place reflective triangles?
37.
The maximum allowable overall length for semitrailers is:
38.
You are driving a heavy vehicle. You must exit a highway using an off-ramp that curves downhill. You should:
39.
Water should never be used to put out a gasoline fire, and also what other kind of fire?
40.
Requirements for securing heavy vehicles, equipment, and machinery apply at what weight?
41.
If you have used up all of your 14 hour on duty time, how many hours would you regain after an 8 hour break in the sleeper berth?
42.
A good inspection habit is for the driver to re-inspect the cargo:
43.
Which of the following is considered off duty time?
44.
A steel coil weighing 21,000 lbs requires how much securement against forward movement?
45.
A container chassis vehicle, by definition, is:
46.
You should always turn on your emergency four-way flashers when you:
47.
Heavy vehicles often move slower than others. Which of these is NOT a good rule to follow while driving a heavy vehicle?
48.
Posted heights at overpasses:
49.
What is a rub rail?
50.
On combination vehicles longer than 20 feet or wider than 80 inches, amber or yellow reflectors must be installed: