Free Arizona CDL General Knowledge Practice Test 2023

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our AZ General Knowledge Practice Test has the same questions as the real exam which is based on the Arizona CDL manual. Our test covers most of the subject areas on the Arizona 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 Arizona 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 free CDL practice test now!

Our CDL practice tests:
Based on 2021 AZ commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
AZ CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
Why should you try to move to your right when steering in an emergency?
If you are stopped at a roadside rest area and found to have a BAC (Blood Alcohol Concentration) of 0.02 you will:
When are helpers needed to back your vehicle?
Which statement below is false?
What does HOS stand for?
Which of these statements about backing a heavy vehicle is true?
When starting a bus on a level surface with good traction there is often no need for:
When using stab braking, all of the following are steps except
As a way to maximize all time available, you should always do the following:
What does the 14 hour on duty limit mean?
When is it a good idea to use drugs to help you stay awake while driving?
In cargo securement, what is a 'cleat' defined as?
Major signs of tire failure could include:
Overloading can have all of the following effects except:
Concrete pipe loaded crosswise generally:
Which of these is true about hazardous materials:
When loading and securing a boulder, it should be:
Which of these is not required knowledge for drivers seeking a hazardous material endorsement?
How current must your logbook be?
What is the minimum Working Load Limit for the entire securement system?
Which of the statements about pre-trip inspection is true?
When entering or crossing traffic, observe all of the following EXCEPT:
What factor has the greatest affect on how much weight is moved per hole in the tandem slider rail?
You receive a scale ticket and your drive axles are 31,700 and your trailer tandems are 35,100. Based upon a trailer with 6 inch slider rail hole spacings, what is the minimum number of holes you would have to slide the tandems to get the weight legal, and what would the final weights be?
A car suddenly cuts in front of you, creating a hazard. Which of these actions should you NOT take?
The bridge formula:
What is the minimum securement requirement for paper rolls with eyes vertical with a width between 1.25 and 1.76 its diameter?
How many violations have occurred on the below log?
What is a reusable, transportable enclosure that is especially designed with integral locking devices that secure it to a container chassis trailer to facilitate the efficient and bulk shipping and transfer of goods by, or between various modes of transport, such as highway, rail, sea, and air.?
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

Which day on the example below contains a violation?
Day 1

Day 2
Which of these could be considered off duty time?
You are driving a 40-foot vehicle at 55 mph. The road is dry, and visibility is good. What is the least amount of space that you need to have in front of your vehicle?
Controlled braking is:
What are the two most common tandem slider rail hole spacings, and roughly how much weight is transferred per hole?
The tread depth on front steering wheel tires should be:
Which of these statements about braking is true?
Sliding your trailer tandems forward or backward will redistribute the weight mainly between which two sets of axles?
The maximum allowable overall length for semitrailers is:
When using tiedowns for securing cargo, what is the general rule regarding cargo length.
To avoid an accident you moved to the shoulder. The shoulder is clear, you should:
Is the following example within legal HOS limits?

- A trucker starts driving at 12:00pm
- At 5pm the driver takes a 1 hour break
- At 6pm the driver begins driving again
- At 11:30pm, the driver shuts down and goes off duty for 10 consecutive hours
Which of these statements about vehicle fire is true?
When a tiedown is attached directly to the cargo, what is the ideal angle where it attached to the vehicle?
What is the presumed resistance to horizontal movement of friction mats?
Which of these statements about the hazard of vehicle fire is true?
"You do not have a hazardous materials endorsement on your commercials driver’s license. You are asked to deliver hazardous materials in a placarded vehicle. You should:"
The value specified by the manufacturer as the loaded weight of a combination vehicle is?
Within the requirements for concrete pipe, which of these requires specific securement methods?
The maximum number of allowable looks and/or pull-ups on any particular exam exercise is: