Air Brakes #1
Air Brakes Endorsement Test | Arkansas 2025 #1 Page 2 of 4
Train for FREE online with our Arkansas 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 AR Class A/Class B driver license 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 the requirements for CDL may vary from state to state.
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7 . Brake linings should be:
Brake linings should not be loose or soaked with oil or grease. They shouldn't be dangerously thin.
8 . When starting a vehicle with dual air brakes, pressure of ____ should be built up in the system before it is driven.
200 psi
Before driving a vehicle with a dual air brake system, allow time for the air compressor to build up pressure of at least 100 psi in both the primary and secondary systems.
9 . The air compressor governor controls:
The speed of the vehicle.
In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.
10 . If the brake pads rub against the brake drums and create too much heat:
The air compressor will kick on to cool the brakes.
Brakes heat up with use. If they are overused and become too hot, expansion and chemical changes will make them less effective and eventually cause them to stop working altogether. This is known as "brake fade."
11 . If a vehicle has air brakes, the air compressor drive belt should be checked before each drive. In what condition should the belt be?
Bumpy
When inspecting a vehicle with air brakes that has a belt-driven air compressor, you should check the condition and tightness of the belt. It should be in good condition.
12 . On newer vehicles, how do you put on the parking brake?
Pull up on the steering column.
On newer vehicles with air brakes, the parking brake is controlled by a yellow, diamond-shaped knob. The knob is pulled out to set the brakes, and pushed in to release them.
2025 Arkansas | Frequently Asked Questions
To acquire a CDL Tank endorsement in Arkansas, you must first have a Commercial Driver's License (CDL). Then, you'll need to pass the Tank Vehicle endorsement test. This test covers topics like inspecting tank vehicles, driving tank vehicles, and safe driving rules. You can prepare for this test through study guides and practice tests available online or at your local DMV.
To obtain a CDL Tank license, you must first have a basic Commercial Driver's License (CDL). Then, you need to pass the Tank Vehicle endorsement test, which covers topics such as inspecting and driving tank vehicles and safe driving rules. You should be at least 18 years old for intrastate driving or 21 for interstate driving. A clean driving record is also essential.
While specific training is not mandatory for a CDL Tank endorsement, it's highly recommended. Training can help you pass the Tank Vehicle endorsement test. However, you must have a Commercial Driver's License (CDL) before obtaining the endorsement. The test covers topics like inspecting tank vehicles, driving tank vehicles, and safe driving rules. Practical experience can also be beneficial.
Yes, to obtain a CDL Tank endorsement, you need to pass an additional written test. This test covers topics like inspecting tank vehicles, driving tank vehicles, and specific safety rules. It's separate from the general CDL written test. Studying from the CDL manual and taking practice tests can help you prepare for this exam.
The written test for the CDL Tank endorsement covers several specific subjects. These include inspecting tank vehicles, identifying leaks, operating a tank vehicle safely, driving stability and handling, and understanding the effects of liquid surge on vehicle control. It's important to study these topics thoroughly to pass the test.
During the CDL Tank endorsement assessment, several skills and maneuvers are assessed. These include inspecting the tank vehicle, checking for leaks, safely loading and unloading liquids or gases, adjusting the tank's baffles, controlling surge and slosh, and performing emergency procedures such as controlling a rollover or a skid. Additionally, knowledge of hazardous materials regulations and proper placarding is assessed.
Yes, drivers with a CDL Tank endorsement must adhere to specific regulations. They must ensure the tank is not overloaded and the liquid inside is properly balanced to prevent surges. In addition, drivers must follow safety procedures when loading and unloading. Violation of these rules can result in fines, license suspension, or even loss of the CDL Tank endorsement.
No, it's illegal to transport liquid or gas materials without a valid CDL Tank endorsement in Arkansas. This endorsement is required to ensure the driver understands the safety procedures and regulations involved in transporting these hazardous materials. Violating this law can lead to significant penalties, including fines and loss of commercial driving privileges.
The CDL Tank endorsement can be added to your current commercial driver's license. You don't need to apply for a new license. However, you will need to pass the Tank Vehicle endorsement test which covers specific knowledge related to the safe transportation of liquid and gaseous materials. Once passed, the endorsement is added to your existing CDL.
Yes, handling hazardous materials with a CDL Tank endorsement requires additional certification. You must obtain a Hazardous Materials (HazMat) endorsement, which involves a written test and a background check from the Transportation Security Administration. This ensures you're equipped with knowledge about the special handling and safety procedures for hazardous materials.