Free California 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 CA General Knowledge Practice Test has the same questions as the real exam which is based on the California CDL Handbook. Our test covers most of the subject areas on the California 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 California CDL practice test an unlimited number of times to make sure you learn all the questions. Our practice test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our CDL practice test now!

Our CDL practice tests:
Based on 2022 CA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
CA 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.
You must drive through deep or flowing water, you should not:
3.
Which statement below is false?
4.
Which of the following can be used as part of the cargo securement system?
5.
The BAC (Blood Alcohol Concentration) for commercial drivers to be considered intoxicated when driving a commercial vehicle is:
6.
Backing of the commercial vehicle is:
7.
Which day below contains at least 1 violation?
Day 1

Day 2
8.
As a way to maximize all time available, you should always do the following:
9.
To stop a drive-wheel skid, you should:
10.
When driving in very hot weather, it is critically important to carefully inspect:
11.
Using radar detectors in commercial vehicles:
12.
When loaded cement pipe over 45 inches in diameter, which pipes should be blocked, wedged, or otherwise immobilized?
13.
The distance the truck will travel between noticing a hazard and hitting the brakes is:
14.
Snow and ice must be removed from the radiator because otherwise:
15.
How many tiedowns are required for cargo that is prevented from forward movement?
16.
In case of which fires can you use water to put it out?
17.
To help slow the vehicle to reduce the need for using the service brakes, some vehicles are equipped with:
18.
A hazmat endorsement will be denied or canceled if:
19.
Which of the following is not true of Working Load Limit (WLL)?
20.
As part of the log packing requirements:
21.
When hauling livestock, to prevent them from moving around too much and causing a dangerous situation you would use:
22.
A car suddenly cuts in front of you, creating a hazard. Which of these actions should you NOT take?
23.
When should you test your parking brakes?
24.
What is the 8 day / 70 hour on duty limit?
25.
When driving through the work zone you should:
26.
If you have a road emergency and must park on the shoulder, how soon should you put out your triangles?
27.
In case you have to fight a fire, also aim the extinguisher:
28.
Escape ramps:
29.
The object of the pre-trip inspection is:
30.
Which of these actions are NOT recommended for a left turn?
31.
What should you do if you are unsure whether you have enough overhead clearance?
32.
A tiedown with a marked WLL of 8,000 lbs directly attached to an article has an actual WLL of:
33.
Which of the following is not a requirement of wood used as blocking or bracing?
34.
When calculating directional forces, 'g' is expressed as:
35.
The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation?
36.
An outside vehicle observation will be scored every time the driver:
37.
The maximum allowable overall length for semitrailers is:
38.
What is a headboard?
39.
When checking the general condition of the vehicle, which of the following should be specifically addressed?
40.
Generally, when steering in an emergency, which direction is your best option?
41.
Using the following numbers, what would be the final result if you moved the 5th wheel forward two holes?

steer axle: 10,800 pounds
drive axles: 34,100 pounds
Weight transfer: 500 pounds per hole
42.
The maximum number of encroachments allowed on a particular exam exercise is:
43.
What is true about bad weather and driving conditions?
44.
The condition of all in-cab controls should be checked for:
45.
When securing a single metal coil with eyes vertical:
46.
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?
47.
It is safe to remove the radiator cap or any other part of the pressurized system:
48.
Within the requirements for concrete pipe, which of these requires specific securement methods?
49.
What kind of extinguisher would you use to fight an electrical fire?
50.
If you're able to arrive early for a delivery, you should: