Knowledge Test Class A #1
Class A Driving Test | Massachusetts 2025 #1 Page 7 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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43 . When using your mirrors, you should frequently look at your tires to:
Get a sense of the size of the tire in relation to other vehicles.
Check your tires regularly when looking in your mirrors. This helps ensure that you will notice a tire fire, if one should happen. Tire fires may occur when a tire is under-inflated, if dual tires are touching, or if the tires are otherwise overheated.
44 . If applying for a hazardous materials endorsement, you must:
Pay a security bond.
To receive a hazardous materials endorsement, you must undergo a background check, which includes being fingerprinted.
45 . A driver may not operate a CMV with a minimum blood alcohol concentration (BAC) of:
0.12 percent.
It is illegal to operate a CMV if your blood alcohol concentration (BAC) is 0.04 percent or higher. Operating a CMV with a BAC above the legal limit will result in license disqualification for at least one year.
46 . Which of the following is a characteristic of a potentially fatigued driver?
They drive during the day.
Driving alone for long distances can put you at greater risk of becoming fatigued. Strategies for reducing the risk of fatigue include getting eight to nine hours of sleep at night, taking regular rest breaks, and driving during hours when you are normally awake.
47 . When the spring brakes are activated in a vehicle with air brakes, you should never:
Open the trailer doors.
In a vehicle with air brakes, never push the brake pedal down when the spring brakes are activated. The combined force of the springs and the pressure of the air brakes could damage the brakes.
48 . If transporting livestock, drivers should be concerned about:
Passing emissions testing.
Because live animals can lean during curves, and otherwise move in transit, the weight distribution of a cargo of livestock is unstable. Driving with livestock requires special care.
49 . When traveling through multiple states, you should:
Have only one license.
A person may never have more than one license. Violations may be punished by a fine or jail time.
50 . Cargo on flatbed trailers should be:
Pushed to one side.
Cargo on flatbed trailers or trailers without sides must be tied down to prevent it from shifting or falling in transit.
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.