Knowledge Test Class A #1
Class A Driving Test | Massachusetts 2025 #1 Page 2 of 7
Train for FREE online with our Massachusetts class A license 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 CDL class A permit 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 CDL class A requirements may vary from state to state.
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8 . If one air system in a dual air brake system is very low on pressure:
Lights on the outside of the tractor will flash.
In a dual air brake system, if one of the air systems gets very low on pressure, either the front or rear brakes will not be operating fully. You should bring your vehicle to a safe stop and have the air system repaired.
9 . Passive railroad crossings:
Should never be crossed by a CMV.
Railroad crossings that are not controlled by any type of traffic control device are known as passive crossings. The decision to proceed across tracks at a passive crossing is entirely up to the driver.
10 . Braking mechanisms are located ____ a brake drum.
On top of
Drum brakes are attached to the wheels and located on the axles of a vehicle. The braking mechanisms that cause the vehicle to stop can be found inside of a drum brake.
11 . Without securing a load on a flatbed trailer, cargo may:
Be easier to unload.
On flatbed trailers and trailers without sides, cargo must be secured to prevent it from shifting or falling in transit.
12 . Trailers should:
Be loaded with all the weight directly behind the cab.
Overloading a vehicle is dangerous. It can damage the vehicle and interfere with the driver's ability to control it.
13 . If you identify a large box in your lane on the road ahead, you should:
Swerve into another lane of traffic.
Slow down and be very careful if you see foreign objects in your lane. Remember that even something that seems relatively light and harmless, like a cardboard box, could contain harder or heavier items that could cause damage to your vehicle.
14 . In addition to passing a hazardous materials test, what is needed to obtain a hazardous materials endorsement?
A fire extinguisher
To obtain a hazardous materials endorsement, you must pass a knowledge test and undergo a background check. If you are deemed to be a security threat by the Transportation Security Administration (TSA), you will be denied the endorsement.
2025 Massachusetts | Frequently Asked Questions
In Massachusetts, a CDL Class B license allows the holder to operate any single vehicle with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not exceeding 10,000 pounds GVWR. This includes buses, farm labor vehicles, and any vehicle designed to transport 16 or more passengers, including the driver.
A Class B CDL license in Massachusetts allows the holder to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or a vehicle towing another not exceeding 10,000 pounds. These vehicles include large buses, segmented buses, box trucks, dump trucks with small trailers, and tractor-trailers.
To acquire a Class B CDL license in Massachusetts, you must be at least 18 years old, possess a valid Massachusetts driver's license, pass a vision test, and complete a CDL application. You'll also need to pass a written knowledge exam and a skills test, which includes a pre-trip vehicle inspection, basic controls test, and on-road driving exam.
In Massachusetts, you must be at least 18 years old to qualify for a Class B Commercial Driver's License (CDL). However, please note that if you want to use your CDL to drive commercial vehicles across state lines (interstate driving), federal regulations require you to be at least 21 years old.
While not always necessary, specific endorsements may be required for certain Class B CDL jobs in Massachusetts. Endorsements certify additional skills like driving a school bus, operating a vehicle with air brakes, or transporting hazardous materials. Each endorsement requires passing a separate knowledge test and sometimes a skills test.
The Class B CDL skills assessment in Massachusetts includes a pre-trip vehicle inspection, a basic controls test, and an on-road driving exam. The pre-trip inspection tests your knowledge on the key parts of the vehicle. The basic controls test assesses your ability to maneuver and control the vehicle, and the on-road test evaluates your driving skills in traffic.
Class B CDL license holders in Massachusetts are restricted to driving single or combination vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the GVWR of the vehicle(s) towed is not more than 10,000 pounds. They are not allowed to drive a Class A combination vehicle without the appropriate endorsement.
Yes, in Massachusetts, the written Class B CDL test is available in multiple languages, including but not limited to Spanish, Chinese, and Portuguese. However, federal regulations require all CDL holders to read and speak English sufficiently to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, in Massachusetts, accommodations can be made for the Class B CDL written exam if you have a disability. You should contact the Massachusetts Registry of Motor Vehicles (RMV) in advance to discuss your specific needs. Accommodations may include more time, a quiet room, or having the test read aloud, depending on your situation.
Yes, if you don't pass the Class B CDL written test in Massachusetts, you can retake it. However, you must wait a specific period before retaking the test. The Massachusetts Registry of Motor Vehicles (RMV) requires a two-week waiting period between attempts. Be aware that you may be required to pay a retest fee as well.