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.
When merging:
2.
What is the minimum weight of a shipment of paper rolls that would require specific securement requirements?
3.
The driver is responsible for all of the following except for:
4.
Which of these is NOT a good thing to do when driving on slippery roads?
5.
When can your logbook be inspected?
6.
"The driver’s manual suggests several things to do when you pass a vehicle. Which of these is NOT one of them?"
7.
When using tiedowns to secure boulders, all of the following are requirements except:
8.
What is the aggregate WLL of one 7/15 inch Grade 43 chain, and three 5/16 inch Grade 70 chains?
9.
Cargo with a high center of gravity:
10.
Besides prescription drugs verified by a doctor as safe for driving, what other drugs are acceptable while driving?
11.
All of the following are exempt from needing a CDL except:
12.
When securing rolls of paper with eyes vertical, how many points of contact are required to consider a roll secure?
13.
Why should drivers always be looking for hazards?
14.
When securing concrete pipe with a diameter up to 45 inches loaded crosswise as a group, a crosswise tiedown should be used every how many feet?
15.
Medicine used to treat the common cold:
16.
Three serious traffic violations in a 3-year period will result in a CDL disqualification of:
17.
How many violations occur on the below example?
Day 1

Day 2
18.
The 14 hour limit can be extended by:
19.
Space to the ____ your vehicle is most important to manage.
20.
You must keep the papers about hauling hazardous materials:
21.
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:
22.
A chock is defined as:
23.
In what circumstance can shortwood be treated as longwood?
24.
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: 11,100, drives: 32,600, gross: 71,400

After fueling:

steer:11,850, drives: 32,850, gross: 72,400

25.
If you must cross into the oncoming lane to make a turn, you should:
26.
Some large trucks have curved mirrors. These mirrors:
27.
Which of these is true about hauling hazardous materials?
28.
If a CDL-holder's privilege to drive non-CMV's is revoked or suspended more than once for alcohol, felony, or controlled substance violations, the CDL will be disqualified for:
29.
Your log must include all of the following except:
30.
All of the following are classified as "a drink" and contain the same amount of alcohol except:
31.
Under normal circumstances, what is the maximum allowed width for commercial vehicles?
32.
Which of these is not a type of retarder?
33.
If you must drive in fog, some considerations include which of the following:
34.
What does GCWR stand for?
35.
In Oregon, the maximum weight on the steer axle is listed as 600 pounds per inch of tire tread width up to 20,000 pounds. Your steer tires have a load rating of 6,150 pounds each and are 10 inches wide. What is the maximum legal weight your steer axle can carry in Oregon?
36.
During the Stop/Start maneuver, when stopped, your vehicle:
37.
Where in the trailer could you place cargo so that the weight applied to the trailer tandems is greater than the weight of the cargo itself?
38.
What does BAC stand for?
39.
While driving, the freight must not:
40.
What is the presumed resistance to horizontal movement of friction mats?
41.
To avoid being blinded by glare when driving at night, drivers should:
42.
What can be the result of too much weight on the back of the trailer?
43.
A Class A CDL is required to drive a combination vehicle of over 26,001 lbs towing a vehicle weighing:
44.
Which of the statements about an inspection of the suspension components is true?
45.
Working Load Limit (WLL)is defined as:
46.
Option #1 for securing coils transported with eyes lengthwise includes:
47.
As part of their pre-trip cargo securement inspection, drivers should:
48.
Sliding your 5th wheel will redistribute the weight mainly between which two sets of axles?
49.
On combination vehicles longer than 20 feet or wider than 80 inches, amber or yellow reflectors must be installed:
50.
The maximum number of allowable looks and/or pull-ups on any particular exam exercise is: