Knowledge Test Class B #2
Class B Driving Test | Massachusetts 2026 #2 Page 2 of 7
Train for FREE online with our Massachusetts class B 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 B permit in 2026, 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 B requirements may vary from state to state.
50
40
20
8 . An underloaded front axle:
Is discouraged as it can improve fuel efficiency.
Underloading a front axle may make it impossible to safely steer your vehicle. Keep weight distribution in mind when loading cargo.
9 . If your coolant level is found to be low, you should:
Tighten the belts.
When inspecting the engine compartment, you should check the oil level, coolant level, and windshield washer fluid level, among other things. In both cold and hot weather, it is important that the engine have enough coolant.
10 . Most heavy vehicles require ____ to change gears.
Triple shifting
Most heavy vehicles with manual transmissions require double clutching to change gears. A driver should release the accelerator, push in the clutch, and shift into neutral at the same time. After releasing the clutch and allowing the vehicle to change to the necessary speed, the driver should push in the clutch, shift gears, then simultaneously release the clutch and accelerate.
11 . Anti-Lock Braking Systems (ABS):
Are illegal in some states.
ABS is equipped in addition to a vehicle's normal braking system and it neither increases nor decreases the vehicle's braking capability. ABS activates during hard applications of the brake pedal in order to prevent wheels from locking up.
12 . A cargo of hanging meat:
Is discouraged during the summer months.
An operator should drive with care when transporting a cargo of hanging meat. Such a load is unstable, both because it has a high center of gravity and because the swinging of the meat can affect the driver's handling of the vehicle.
13 . When you leave your vehicle, you should:
Leave the door open.
Always apply the parking brake when leaving your vehicle.
14 . 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.
2026 Massachusetts | Frequently Asked Questions
To acquire a CDL Tank endorsement in Massachusetts, you must first have a Commercial Driver's License (CDL). Next, study the Tank Vehicles section of the Massachusetts CDL Manual. Once you're ready, schedule an endorsement test at a local RMV office. Passing this test will add the Tank endorsement to your CDL.
To obtain a CDL Tank license, the essential requirements are: possessing a valid Commercial Driver's License, passing a knowledge test on tank vehicle operations, and paying the necessary fees. The knowledge test covers topics like inspecting tank vehicles, driving tank vehicles, and safe driving rules. All information is available in the CDL manual.
Specific training or experience isn't mandatory for a CDL Tank endorsement in Massachusetts. However, you need to pass a knowledge test. Studying the Tank Vehicles section of the Massachusetts CDL Manual will help prepare for the test. Practical experience or training can certainly be beneficial, but it's not a legal requirement.
Yes, in Massachusetts, additional written tests are required to obtain a CDL Tank endorsement. These tests assess your knowledge of topics specific to operating a commercial vehicle with a tank, such as safety precautions, proper loading and unloading procedures, and understanding the characteristics of different types of tanks. Passing these tests is necessary to obtain the endorsement on your CDL.
The written test for the CDL Tank endorsement includes topics such as inspecting tank vehicles, recognizing high and low centers of gravity and how they affect vehicle stability, knowledge on baffles and their effect on vehicle handling, driving safety rules for tank vehicles, and procedures for handling emergencies. All these topics are covered in the CDL manual.
The CDL Tank endorsement assessment primarily focuses on knowledge rather than specific maneuvers. It evaluates understanding of tank vehicle operation, not physical skills. Topics include vehicle inspection, understanding of high center of gravity, safe driving techniques, emergency handling, and the effect of baffles on handling. Practical skills are tested in the general CDL driving test.
Yes, a driver with a CDL Tank endorsement must adhere to certain regulations and restrictions. For example, they must follow rules related to load limits, vehicle stability, and hazardous materials. They cannot drive a tank vehicle while under the influence of alcohol or drugs. Moreover, they must comply with all federal and state transportation regulations.
No, transporting liquid or gas materials without a valid CDL Tank endorsement is illegal in Massachusetts. This endorsement is required by law for drivers who operate commercial vehicles that transport liquids or gases. The endorsement ensures the driver understands the safety regulations and precautions needed when transporting these types of materials.
The CDL Tank endorsement can be added to your existing Commercial Driver's License. You don't need to apply for a new license. However, you will need to pass the Tank Vehicle endorsement knowledge test. Once you've passed the test, the endorsement will be added to your current CDL.
Yes, handling hazardous materials with a CDL Tank endorsement requires additional prerequisites. You must pass the Hazardous Materials (HazMat) endorsement knowledge test, and undergo a TSA background check. Additionally, you must follow specific regulations for loading, unloading, and transporting hazardous materials to ensure safety.