Air Brakes #1
Air Brakes Endorsement Test | Arizona 2024 #1
Train for FREE online with our Arizona CDL air brake 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 Class A/Class B driver license in 2024, 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 the requirements for CDL may vary from state to state.
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1 . While operating on a downgrade, you should brake until you reach a speed that is:
While driving downhill, you should hold down the brake pedal until your vehicle reaches a speed 5 mph below your safe speed, then release the brake pedal. Repeat this process.
2 . What can happen if the air pressure gets too low in an air brake system?
Pressing and releasing the brake pedal unnecessarily can let air out of the braking system faster than the compressor can replace it. Air brakes may cease to work effectively if the pressure becomes too low.
3 . When an S-cam turns inside a brake drum, the S-cam:
When a brake pedal is pressed and the S-cam is turned, the S-cam presses the brake shoes against the inside of the brake drum. This causes friction and will cause the vehicle to slow.
4 . 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.
5 . Having ABS on only one axle:
If you have an Anti-Lock Braking System (ABS) equipped on only the tractor, only the trailer, or only one axle, you will still have more control over the vehicle when braking than you would without ABS. You should brake normally.
6 . During an applied leakage test, what is the maximum leakage rate that is safe for a single vehicle with air brakes?
It is important to know the maximum air loss rate that is safe for your specific vehicle. A single vehicle with air brakes should have a leakage rate no higher than 3 psi in a minute during an applied leakage test.
2024 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.