Knowledge Test Class B #2
Class B Driving Test | Arizona 2025 #2 Page 6 of 7
Train for FREE online with our Arizona class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a AZ CDL class B permit in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.
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36 . Manual air tank drains should be:
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Manually operated air tank drains must be opened daily to remove this build-up.
37 . When traveling long distances, you should:
To avoid becoming fatigued on a long trip, you should take a break after every 100 miles or two hours of driving. Driving through the night, or during any other time when you would normally be asleep, raises the danger of fatigue.
38 . Eating while driving:
Eating while driving can be a dangerous distraction to the driver both because it diverts their attention away from the task at hand and requires them to remove a hand from the steering wheel.
39 . When experiencing cold weather, be sure to check your vehicle's alcohol evaporator:
An alcohol evaporator can help prevent ice from building up in an air brake system. In cold weather, the evaporator should be checked and refilled every day.
40 . Texting while driving should:
Texting while driving is a dangerous distraction and is prohibited at all times when operating a CMV.
41 . The two indicators that determine when you should upshift are:
There are two indicators that determine when you need to shift into a higher gear. One indicator is the engine speed (rpm). You should read your vehicle's manual to learn its rpm range and shift up when you reach the top of that range. The other indicator is road speed (mph). You should learn which speeds each gear can accommodate, then keep an eye on the speedometer and shift up as needed.
42 . When entering traffic, a large vehicle usually needs:
A large vehicle requires more space when entering or crossing traffic than a smaller vehicle. This is not only because the vehicle itself is larger, but also because it needs a longer distance to accelerate.
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2025 Arizona | Frequently Asked Questions
To acquire a CDL Tank endorsement in Arizona, you must first have a Commercial Driver's License (CDL). Then, study the Arizona Commercial Driver License Manual’s tank vehicle section. After that, schedule and pass the Tank Vehicle endorsement written test at an Arizona Motor Vehicle Division (MVD) office. The endorsement will be added to your CDL upon passing the test.
To obtain a CDL Tank license, it's essential to first have a Commercial Driver's License (CDL). Then, you need to study the tank vehicle section of the Commercial Driver License Manual. Once you're prepared, schedule and pass the Tank Vehicle endorsement written test at your local Motor Vehicle Division (MVD) office. The endorsement is added to your CDL upon passing.
While specific training or experience is not legally mandatory for a CDL Tank endorsement in Arizona, it's highly recommended to understand the unique handling characteristics and safety concerns of tank vehicles. Studying the tank vehicle section of the Arizona Commercial Driver License Manual thoroughly is crucial. Practical experience or training can significantly improve your chances of passing the endorsement test.
Yes, to obtain a CDL Tank endorsement in Arizona, you must pass an additional written test that focuses on the knowledge required to safely operate a tank vehicle. This includes understanding the vehicle's handling characteristics, inspecting tank vehicles, and understanding the effects of surge and liquid movement on vehicle stability.
The written test for the CDL Tank endorsement in Arizona includes subjects such as tank vehicle inspection, safe driving techniques, loading and unloading procedures, and emergency response. Additionally, it covers topics like identifying hazardous materials, understanding weight distribution, and proper placarding requirements.
The CDL Tank endorsement assessment primarily focuses on knowledge rather than specific maneuvers. It evaluates your understanding of inspecting tank vehicles, recognizing high center of gravity and its effects, handling stability and surge, safe driving rules, emergency procedures, and understanding the operation of special purpose tanks.
Yes, drivers with a CDL Tank endorsement must comply with federal and state regulation regarding load limits, vehicle inspections, and hours of service. They also must handle hazardous materials appropriately if they have a Hazardous Materials (HazMat) endorsement. Additionally, they cannot operate a tank vehicle under the influence of alcohol or drugs.
No, a valid CDL Tank endorsement is required to transport liquid or gas materials. This requirement is strictly enforced under federal and state laws. Driving without the proper endorsement can lead to fines, license suspension, and even imprisonment. It's essential to obtain the correct endorsements for the specific type of cargo you'll be transporting.
The CDL Tank endorsement can be added to an existing Commercial Driver's License. You don't need a fresh application. However, you'll have to pass a knowledge test specific to tank vehicles. Once you pass the test, the endorsement will be added to your CDL, allowing you to transport liquid or gas materials legally.
Yes, handling hazardous materials with a CDL Tank endorsement requires additional training and certification. Drivers must obtain a Hazardous Materials (HazMat) endorsement, which involves passing a written test and a TSA background check. Additionally, they must follow specific safety protocols when loading, unloading, and transporting these materials to prevent accidents and spills.
