Air Brakes #2
Air Brakes Endorsement Test | Massachusetts 2024 #2 Page 2 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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7 . Which type of brakes do most heavy-duty vehicles have?
Gravity brakes
For safety, most heavy-duty vehicles are equipped with dual air brake systems.
8 . Air tanks usually hold enough compressed air:
For an unlimited number of stops.
In an air braking system, the air storage tanks can usually hold enough compressed air for the brakes to be used several times.
9 . When you need to stop in an emergency, you should:
Expect your vehicle to slow down more quickly than usual.
If you need to make an emergency stop, you can use either the controlled braking method or the stab braking method. It's important to brake in a way that keeps your vehicle traveling in a straight line while still allowing you to turn, if necessary.
10 . 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.
11 . 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.
12 . 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."
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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.
