FREE Arizona CDL Practice Test 2024 - DMV Practice Test Page 2 of 7

Your knowledge on topics including shifting tactics, railroad crossing safety, drunk driving rules, and more will be expanded by answering 50 multiple-choice questions, allowing you to become a safer driver and pass your CDL exam. Each question is based on those in the Arizona Commercial Driver License Manual and includes a hint and an explanation to help you understand the subject and answer subsequent questions.. Read More

Your knowledge on topics including shifting tactics, railroad crossing safety, drunk driving rules, and more will be expanded by answering 50 multiple-choice questions, allowing you to become a safer driver and pass your CDL exam. Each question is based on those in the Arizona Commercial Driver License Manual and includes a hint and an explanation to help you understand the subject and answer subsequent questions correctly. Practice until you're confident in your ability to pass the real exam.

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8 . If there is a cargo fire in a box trailer:

The doors of a trailer should be not be opened in the event of a cargo fire, especially if the cargo includes hazardous materials. Opening trailer doors would increase the fire's oxygen supply, potentially causing the fire to increase in size.

9 . What do air brakes use to make the brakes work?

Many large CMVs are equipped with air brakes. An air braking system uses compressed air to operate.

10 . On low bridges:

Height warnings are often, but not always, posted on low bridges. If you are unsure if you will be able to clear an overhead object, go slowly.

11 . During the vehicle inspection test, you must be able to do all of the following, except:

During the pre-trip vehicle inspection test, you will be asked to indicate where the power steering fluid dipstick or reservoir sight glass is located. You will need to show that the power steering fluid is within a safe operating range.

12 . What does the air compressor governor do?

In an air brake system, the air compressor governor controls when the air compressor pumps air into the storage tanks. It stops pumping if the pressure in the tanks becomes too high, and begins pumping if the pressure becomes too low.

13 . A new resident has ____ to change their CDL to an Arizona license after moving to Arizona.

A new resident has 30 days to change their CDL to an Arizona license after moving to Arizona.

14 . If driving a new vehicle, you should familiarize yourself with the controls:

When operating a new vehicle, you should familiarize yourself with its features and equipment before getting behind the wheel.

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