Air Brakes #2
Air Brakes Endorsement Test | Oregon 2024 #2 Page 2 of 4
Train for FREE online with our Oregon 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 OR 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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7 . If one air system in a dual air brake system is very low on pressure:
Lights on the outside of the tractor will flash.
In a dual air brake system, if one of the air systems gets very low on pressure, either the front or rear brakes will not be operating fully. You should bring your vehicle to a safe stop and have the air system repaired.
8 . What can happen if the air pressure gets too low in an air brake system?
The brakes will be very sensitive.
Pressing and releasing the brake pedal unnecessarily can let air out faster than the compressor can replace it, reducing the available air pressure. If the air pressure in an air brake system gets too low, the brakes will no longer work.
9 . To inspect slack adjusters on S-cam brakes, you need to:
Chock the wheels and disengage the parking brake.
Check each slack adjuster after parking on level ground, setting wheel chocks, and disengaging the parking brake. Pull the slack adjusters to make sure they do not move more than about one inch from where the push rod is attached. If they move more than one inch, they may be out of adjustment and will need to be fixed.
10 . What happens if the air pressure in a system's air tanks falls below 60 psi?
The vehicle should stop.
In an air brake system, a low pressure warning signal should activate if the pressure in the air tanks falls to a level below 60 psi. This signal may be in the form of a warning light or a wig wag.
11 . The emergency brake system uses:
Only parts unique to the emergency brake system.
In an air brake system, there are three different braking systems: a service brake system, a parking brake system, and an emergency brake system. The emergency brake system uses parts of both the parking and service brake systems.
12 . Once the air tanks are at an air pressure level of 125 psi, the air compressor governor will:
An air compressor governor will stop the compressor from pumping air once the air tanks are at an air pressure level around 125 psi. This air pressure level is referred to as the "cut-out" level.
See the exact questions that will be on the 2024 Oregon DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
2024 Oregon | Frequently Asked Questions
To acquire a CDL Tank endorsement in Oregon, you must first hold a valid Commercial Driver's License (CDL). Then, study for the tanker endorsement test using the Oregon CDL manual. Schedule and pass the written tanker endorsement test at your local DMV. The endorsement will be added to your CDL upon passing the test.
To obtain a CDL Tank license in Oregon, you must first possess a valid Commercial Driver's License (CDL). Then, you need to study for the tanker endorsement test using the Oregon CDL manual. After studying, you must schedule and pass the written tanker endorsement test at your local DMV. After passing, the endorsement will be added to your CDL.
While specific training or experience isn't mandatory for a CDL Tank endorsement in Oregon, it's highly recommended. Applicants should understand how to safely operate a tank vehicle, including handling high center of gravity, surge, and emergency maneuvers. Studying the Oregon CDL manual and practical training can be beneficial in passing the endorsement test.
Yes, to obtain a CDL Tank endorsement in Oregon, you must pass the Tank Vehicle endorsement test. This written exam assesses your knowledge of the safe handling and operation of tank vehicles. You should study the relevant sections in the Oregon Commercial Driver Manual to prepare for this test.
The written test for the CDL Tank endorsement in Oregon covers subjects like inspecting tank vehicles, driving tank vehicles, safe driving rules specific to tank vehicles, and how to handle emergencies. It also includes questions on the effects of liquid surge on vehicle handling and special considerations for loading and unloading.
The CDL Tank endorsement assessment doesn't involve a specific skills test or maneuvers. It's a written test focusing on knowledge about tank vehicles. Topics include inspecting tank vehicles, understanding high center of gravity and liquid surge, handling emergencies, and safe driving rules. Practical skills are assessed during the general CDL road test, not the tank endorsement test.
Yes, drivers with a CDL Tank endorsement must adhere to specific rules and regulations. For instance, they must understand and follow the safety protocols for handling and transporting liquids. Additionally, they may be restricted from driving certain tank vehicles based on the specific endorsements on their CDL, such as vehicles carrying hazardous materials.
No, it is illegal to transport liquid or gas materials in a tank vehicle without a valid CDL Tank endorsement. This endorsement is required by federal law to ensure that drivers have the necessary skills and knowledge to safely operate these types of vehicles and handle potentially dangerous materials.
The CDL Tank endorsement can be added to your existing CDL. You don't need to apply for a new license. However, you must pass the Tank endorsement knowledge test. Once you pass, the DMV will add the endorsement to your CDL. Remember, each state has its own procedures, so check with your local DMV.
Yes, to transport hazardous materials with a CDL Tank endorsement, you must also have a Hazardous Materials (HazMat) endorsement. This requires passing an additional knowledge test and a TSA background check. Also, you must follow the Federal Motor Carrier Safety Administration's regulations for handling and transporting hazardous materials.
