Air Brakes #1
Air Brakes Endorsement Test | Massachusetts 2025 #1 Page 4 of 4
Train for FREE online with our Massachusetts 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 MA 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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19 . Truck tractors with air brakes built on or after March 1, 1997 must have:
A rear back-up camera.
Truck tractors with air brakes built on or after March 1, 1997 must be equipped with Anti-Lock Braking Systems (ABS).
20 . All air tanks must include:
A warning sticker.
Air brake system tanks must contain drain valves. These valves are used to drain accumulated oil and water from the tanks and may be either manually or automatically operated.
21 . An air brake-equipped vehicle traveling at a speed of 55 mph under ideal driving conditions will need approximately ____ to come to a complete stop.
450 feet
A vehicle's total stopping distance is made up of perception distance, reaction distance, brake lag distance, and braking distance. With all of these factors included, an air brake-equipped vehicle traveling at a speed of 55 mph under ideal driving conditions will need approximately 450 feet to come to a complete stop.
22 . You should not use the parking brake:
If your vehicle's other braking systems seem to be working adequately.
A parking brake should not be used if the vehicle's brakes are very hot from use on a steep downgrade or if the brakes are very wet and temperatures are freezing. Using the parking brake when brakes are hot could cause damage to the brakes, and using the brakes when they are wet in freezing weather may cause the brakes to ice up, rendering the vehicle immobile.
23 . The air pressure in a dual air brake system should build from 85 to 100 psi within:
45 seconds.
When inspecting a vehicle with a dual air brake system, you should wait for air pressure to build from 85 to 100 psi in both the primary and secondary systems. This should take about 45 seconds.
24 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
25 . Brake fading is caused when:
Brakes are wet.
Using the brakes excessively will cause them to overheat, making them less effective. This is referred to as "fading."
See the exact questions that will be on the 2025 Massachusetts 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 Massachusetts | Frequently Asked Questions
To obtain a CDL Hazmat endorsement in Massachusetts, you must first possess a valid Commercial Driver's License (CDL). Then, pass the Hazardous Materials (Hazmat) knowledge test at a Massachusetts RMV Service Center. After passing, you will need to complete a Federal Security Threat Assessment application, including fingerprinting. Once approved, the endorsement will be added to your CDL.
To obtain a CDL Hazmat license, you need to have a valid Commercial Driver's License (CDL). You must also pass the Hazardous Materials (Hazmat) knowledge test. Additionally, you are required to complete a Federal Security Threat Assessment application, which includes fingerprinting and a background check. You must be at least 21 years old and proficient in English.
When applying for a CDL Hazmat endorsement in Massachusetts, you need to provide a valid CDL, proof of U.S. citizenship or lawful permanent residency (like a passport or green card), and a completed medical self-certification form. Additionally, you must provide fingerprints and undergo a TSA background check.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. This test is designed to assess your knowledge of transporting hazardous materials safely. It covers topics such as loading and unloading hazardous materials, bulk packaging, and driving and parking rules. Passing this test is a mandatory step to obtain the Hazmat endorsement on your CDL.
The CDL Hazmat endorsement written test covers a range of topics related to hazardous materials. These include recognizing hazardous materials, understanding placarding and labeling requirements, safely loading and unloading hazardous materials, handling emergencies, and understanding the associated federal regulations. The goal is to ensure that drivers can safely transport hazardous materials.
Yes, there are extra charges linked to acquiring a CDL Hazmat endorsement in Massachusetts. These include the application fee, fingerprinting fee for the TSA background check, and testing fee. The fees can vary, so it's recommended to check the current charges with the Massachusetts Registry of Motor Vehicles or the TSA.
Yes, a background check is mandatory for the CDL Hazmat endorsement. This is conducted by the Transportation Security Administration (TSA). The process includes fingerprinting and checking for any disqualifying criminal offenses. This ensures that hazardous materials are transported by individuals who meet the safety and security standards.
Yes, specialized training and certification are mandatory for the CDL Hazmat endorsement. Applicants must pass a written knowledge test on the regulations and requirements of transporting hazardous materials. This ensures that they understand the safety procedures and can respond appropriately in case of an emergency. Training courses are available to prepare for this test.
No, you cannot transport hazardous materials without a valid CDL Hazmat endorsement in Massachusetts. The endorsement is required by federal law and ensures that drivers have the necessary knowledge and training to safely transport hazardous materials. Driving without the endorsement can result in severe penalties, including fines and suspension of your CDL.
Yes, you can add the CDL Hazmat endorsement to your current CDL license. You don't need to apply for a new CDL. However, you'll need to pass a written test on hazardous materials regulations and undergo a TSA security threat assessment, including a background check. Once you've met these requirements, the Hazmat endorsement can be added to your existing CDL.
