Air Brakes #1
Air Brakes Endorsement Test | Maine 2025 #1 Page 2 of 4
Train for FREE online with our Maine 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 ME 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 . Air pressure should build up in a single air system within:
In single air systems, air pressure should build from approximately 50 to 90 psi within three minutes.
8 . If an air compressor is belt-driven, the belt should be routinely checked to ensure that it is:
If your vehicle has air brakes, the air compressor drive belt should be checked before each drive. Check the tightness of the belt and verify that it is in good condition.
9 . 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.
10 . During an inspection, slack adjusters on S-cam brakes should not move more than:
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.
11 . The parking brake in a newer vehicle is applied by:
In newer vehicles with air brakes, the parking brake is controlled by a yellow, diamond-shaped knob. The driver should pull the knob outward to apply the parking brakes and push the knob inward to release them.
12 . Brake linings should be:
Brake linings should not be loose or soaked with oil or grease. They shouldn't be dangerously thin.
See the exact questions that will be on the 2025 Maine 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.
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2025 Maine | Frequently Asked Questions
To acquire a CDL Tank endorsement in Maine, you must already have a Commercial Driver's License (CDL). Next, study the Tank Vehicles section of the Maine CDL Handbook. Then, schedule and pass the Tank Vehicles Knowledge Test at your local Bureau of Motor Vehicles (BMV) branch. Upon passing, you'll receive your endorsement. Training courses are also available to help prepare for the test.
Obtaining a CDL Tank license requires having a Commercial Driver's License (CDL) first. You must study the Tank Vehicles section of your state's CDL handbook, then pass the Tank Vehicles Knowledge Test at your local Bureau of Motor Vehicles. Successful completion of this test will grant you the CDL Tank endorsement. Taking a training course is also beneficial.
While specific training or experience is not mandatory to get a CDL Tank endorsement in Maine, it's highly recommended. Studying the Tank Vehicles section of the Maine CDL Handbook is necessary. Passing the Tank Vehicles Knowledge Test at the local Bureau of Motor Vehicles is also required. Training courses, though not compulsory, can help prepare for this test.
Yes, to obtain a CDL Tank endorsement in Maine, you must pass the Tank Vehicles Knowledge Test. This is an additional written exam that covers specific knowledge related to operating tank vehicles. The information for this test can be found in the Tank Vehicles section of the Maine CDL Handbook.
The written test for a CDL Tank endorsement covers several subjects, including the inspection of tank vehicles, safe driving practices for tank vehicles, and safe loading and unloading procedures. It also includes questions about the handling of emergencies and the properties of different types of liquids and gases you might transport.
The CDL Tank endorsement assessment does not involve a skills or maneuvers test. Rather, it is a written test that examines your knowledge of operating tank vehicles. This includes understanding the vehicle's handling characteristics, the importance of inspecting tank vehicles, and the procedures to follow when loading and unloading cargo.
Yes, there are certain limitations for drivers with a CDL Tank endorsement. They are only allowed to operate tank vehicles, which are specifically designed to transport liquid or gaseous materials within a tank. Additionally, if the tank is not permanently attached to the vehicle, it must have a rated capacity of 1,000 gallons or more.
No, you cannot legally transport liquid or gas materials without a valid CDL Tank endorsement in the United States. This endorsement is required for drivers who wish to operate a tank vehicle, defined as a commercial vehicle designed to transport any liquid or gaseous materials within a tank either permanently or temporarily attached to the vehicle.
You can add a CDL Tank endorsement to your current commercial driver's license. You don't need to apply for a new license. However, you must pass the Tank Vehicle written test. After passing, the endorsement will be added to your existing CDL, enabling you to operate tank vehicles legally.
Yes, handling hazardous materials with a CDL Tank endorsement requires an additional Hazmat endorsement. To obtain this, you must pass a written test about the regulations and safety precautions for handling hazardous materials. Additionally, a TSA background check is required to ensure you're not a security risk.
