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.
What are the Federal standards for the gross vehicle weight of a 5 axle commercial vehicle?
2.
How do you stop a front-wheel skid?
3.
When is the driver responsible for inspecting cargo and securing devices?
4.
When securing concrete pipe over 45 inches loaded crosswise, which direction must the tiedowns on the rear half of the load run?
5.
All of the following are requirements for dividing vehicles over 33ft except:
6.
Placing a phone call while driving:
7.
At what time does a violation occur on this log?
8.
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

9.
On an accident scene, if a qualified helper is present you should:
10.
ABS malfunction lights will be what color?
11.
When you encounter a driver that appears to be distracted, you should:
12.
The maximum weight limit on a single axle is:
13.
When should drivers inspect their vehicles?
14.
By definition, what is a wedge?
15.
Is the below example a completed 34 hour restart?
Day 1

Day 2

16.
How many on duty hours are remaining after the following has been logged (use a scratch sheet of paper if you need to):
- On duty/not driving: 3 hours
- Driving: 4 hours
- Sleeper berth: 8 hours
- Driving: 7 hours
- Off duty: 2 hours
17.
What is the main factor affecting the low-speed offtracking of a tractor trailer?
18.
Rims with welding repairs or missing lugs:
19.
Banding is:
20.
Which of the following is not an acceptable method of containing loose parts when securing flattened or crushed vehicles?
21.
Drivers are generally only allowed to use cell phones or text in all of the following situations except:
22.
What is the minimum securement requirement for paper rolls with eyes vertical with a width between 1.25 and 1.76 its diameter?
23.
Passing on the wrong side of the road, passing in a school zone, and driving the wrong way on a one-way street are all specific examples of:
24.
Why did Congress enacted the Bridge Formula in 1975?
25.
The condition in which water or slush collects on the road and your tires lose contact and have little or no traction is called:
26.
What are most front-wheel skids caused by:
27.
What is the minimum allowable tread depth for every groove on the front tires?
28.
Which of the following is not a reason why loads should be secured?
29.
What is the cargo's center of gravity?
30.
The maximum number of pull-ups allowed during the driving exam before failure is:
31.
Option #3 for a single metal coil with eyes lengthwise requires:
32.
A 30 minute break violation occurs on the below example. What day and time does the violation occur?
Day 1

Day 2
33.
In order to perform the in-cab and gauge inspection, which of the following must be done?
34.
A tractor trailer traveling 55 mph will travel how far between when the brain perceives a hazard and stopping?
35.
When you see a pedestrian or bicyclist along the road you should:
36.
What is the primary goal of implementing the Bridge Formula?
37.
Which of the following has the greatest affect on the gross vehicle weight?
38.
What day and time did a violation occur in the below example?
Day 1

Day 2
39.
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:
40.
When securing metal coils in a sided vehicle without anchor points:
41.
If loading and securing paper rolls on a second layer:
42.
Methods of securing building materials against forward motion include:
43.
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
44.
How many reflective triangles are required to be kept as part of a trucks emergency equipment?
45.
All of the following are concerns for driving on offramps or onramps except:
46.
What is the minimum aggregate WLL for a group of concrete pipe weighing 16,000 lbs?
47.
How much force is the securement system required to withstand in terms of cargo weight?
48.
Requirements for securing two stacks of shortwood loaded side-by-side include:
49.
A bulkhead is used:
50.
When securing concrete bell pipe in multiple complete tiers, all of the following are true except: