Combination #1
Combination Vehicles Practice Test | Massachusetts 2024 #1
Train for FREE online with our Massachusetts CDL combination vehicle 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 combination 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 DMV requirements for issuing a combination license may vary from state to state.
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1 . Using the trailer hand brake while experiencing a trailer jackknife will:
Continue the skid.
If you are experiencing a trailer jackknife, you can help your tires regain traction by releasing the brakes. Using a trailer hand brake while experiencing a skid will only cause the skid to continue.
2 . What happens when the wheels of a trailer lock up?
The trailer will stop.
A trailer tends to swing around, potentially resulting in a trailer jackknife, if its wheels lock up.
3 . In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when:
Air pressure is above 45 psi.
In vehicles equipped with an automatic tractor protection valve, the valve will pop out if air pressure drops to a level between 20 and 45 psi. When the valve pops out, the protection valve will close, stopping the flow of air.
4 . Rollovers happen when drivers:
Drive illegally.
A rollover happens as a result of a driver taking a turn at too high a speed. Be sure to take turns and curves safely and slowly.
5 . An Anti-Lock Braking System (ABS):
Assists with the operation of brake lights.
The function of an Anti-Lock Braking System (ABS) is to prevent a vehicle's wheels from locking up during hard braking.
6 . A tractor protection valve is:
A device that allows the battery to recharge efficiently.
On combination vehicles with air brakes, the tractor protection valve keeps air in the tractor or truck brake system, should the trailer develop a bad leak or break away from the tractor.
7 . After connecting the air lines to the trailer while coupling, you should:
Connect the electrical cord.
Correctly following the steps to couple and uncouple trailers is vital to safely operating a combination vehicle. After connecting the air lines to the trailer while coupling, you should supply air to the trailer.
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.