Air Brakes #1
Air Brakes Endorsement Test | Massachusetts 2024 #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 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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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."
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2024 Massachusetts | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Massachusetts, you must first possess a valid commercial driver's license (CDL). Next, study for the Doubles/Triples endorsement test using the Massachusetts CDL manual. Once prepared, schedule and pass the written test at a local RMV office. Remember that on-road skill tests are not required for this endorsement.
To obtain a CDL Doubles/Triples license, you must first have a valid CDL. You then need to study for the Doubles/Triples endorsement test, which can be found in the CDL manual. Once you're ready, schedule and pass the written test at a local RMV office. No on-road skill tests are necessary for this endorsement.
While specialized experience or training isn't mandatory for a CDL Doubles/Triples endorsement, it's recommended to familiarize yourself with handling such vehicles. The most important requirement is passing the knowledge test. Studying the state's CDL manual thoroughly will provide necessary information. Practical training, although not required, can be beneficial for real-world application.
Yes, to obtain a CDL Doubles/Triples endorsement in Massachusetts, you must pass an additional written knowledge test specifically related to the rules and safety regulations for driving double and triple trailers. This test is separate from the general CDL written exam. The information for the test can be found in the state's CDL manual.
Actually, for the CDL Doubles/Triples endorsement in Massachusetts, you only need to pass a written knowledge test. There is no specific skills test or road test required. The written test covers topics like coupling and uncoupling, inspecting doubles and triples, and managing cargo. Mastery of these topics is essential for passing the test.
No, it's not permissible. In Massachusetts, operating double or triple trailers requires a valid Class A Commercial Driver's License (CDL) with a Doubles/Triples endorsement. Driving these vehicles without the proper endorsement is against the law and can lead to significant penalties, including fines and potential loss of your CDL.
You can add the CDL Doubles/Triples endorsement to your current commercial driver's license in Massachusetts. You do not need to initiate a new application for a CDL. Instead, you apply for the endorsement, pass the required written knowledge test, and the endorsement is added to your existing CDL.
Yes, there are limitations for drivers holding a CDL Doubles/Triples endorsement in Massachusetts. They can only operate vehicles that are specifically designed to pull two or three trailers. Also, they must comply with specific weight and length restrictions. Additionally, certain roads or highways may have restrictions on the use of double/triple trailers.
In Massachusetts, the maximum weight for a vehicle (including any load) is 80,000 pounds. The maximum length for a semi-trailer in a doubles configuration is 28.5 feet, and for a triple configuration, each trailer must not exceed 28.5 feet. However, specific restrictions can vary depending on the roads or highways used.
Yes, drivers with a CDL Doubles/Triples endorsement must follow specific safety guidelines. These include maintaining a safe following distance, proper coupling and uncoupling of trailers, and regular vehicle inspections. Drivers must also be skilled in handling the high rollover risk and the effects of "crack-the-whip" phenomena associated with these types of vehicles. Failure to adhere can lead to penalties or loss of endorsement.
