Massachusetts Driver's Examination

Air Brakes #1

FREE Air Brakes Endorsement Test Online | Massachusetts 2024

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 2021, 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.

Number of Question 25

Passing Score 20

Number of Tests 20

1 . What does the air compressor governor do?

Controls when the air compressor pumps air into the air storage tanks.

Controls how quickly air leaves the air storage tanks.

Controls the temperature of the air entering the air storage tanks.

Controls the temperature of the air leaving the air storage tanks.

In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.

2 . Before a vehicle with dual air brakes is driven, pressure of at least ____ should be built up in both braking systems.

10 psi

25 psi

50 psi

100 psi

Before driving a vehicle with a dual air brake system, allow time for the air compressor to build up pressure of at least 100 psi in both the primary and secondary systems.

3 . Air tank drains:

Should not be used in cold weather.

Are helpful to remove water and oil from the air tanks.

Are used to move air to the brakes.

Clean the air in the passenger compartment.

In an air brake system, air tanks have drains to remove accumulations of water and compressor oil. Allowing water and oil to accumulate in the system could cause damage to the brakes. Manually operated drains should be used daily.

4 . A tank endorsement is:

Only required when transporting gases.

Only required when transporting liquids.

Used when transporting both liquids and gases.

Optional when transporting hazardous materials.

In general, a tank endorsement is required to a drive tank vehicle used to transport liquids or gases. This applies to both hazardous and non-hazardous materials.

5 . When you press the brake pedal in a vehicle with S-cam brakes, air pressure pushes out the rod and moves the:

Slack adjuster.

Axle.

Brake drum.

Alcohol evaporator.

When pressing the brake pedal in a vehicle with S-cam brakes, air will enter the brake chambers. The added air pressure will push out the rods and move slack adjusters, twisting the brake camshafts.

6 . Braking mechanisms are located ____ a brake drum.

Outside

Inside

Next to

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.

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2024 Massachusetts | Frequently Asked Questions

To secure a CDL Bus endorsement in Massachusetts, you must first have a valid Commercial Driver's License (CDL). Then, you need to pass the Passenger Vehicles (P) and School Bus (S) endorsement knowledge tests. After passing the tests, you must also pass a skills test in a vehicle representative of the class and type you will be driving.

To obtain a CDL Bus License in Massachusetts, you must have a valid driver's license and pass the CDL general knowledge test. You also need to pass the Passenger Transport test and the School Bus endorsement test if applicable. Finally, you must successfully complete a skills test in an appropriate vehicle. You must be at least 18 years old and meet medical requirements.

Yes, specific training is necessary for a CDL Bus endorsement in Massachusetts. You must complete a state-approved driver education program that includes classroom instruction and behind-the-wheel training. The program will cover topics such as vehicle inspection, basic controls, and safe driving techniques. After the training, you must pass both knowledge and skills tests to obtain the endorsement.

In Massachusetts, CDL Bus licenses fall into three classes: Class A, B, and C. Class A licenses are for vehicles with a combined weight rating of 26,001 pounds or more. Class B licenses are for vehicles weighing 26,001 pounds or more, or a vehicle transporting 16 or more passengers. Class C licenses are for vehicles designed to transport 16 to 23 passengers, including the driver.

No, you cannot use your personal vehicle for the CDL Bus driving test in Massachusetts. The vehicle you use for the test must be of the same type and class that your CDL will cover. Therefore, you must take the test in a commercial bus. Many training schools provide vehicles for testing purposes.

The CDL Bus driving test in Massachusetts evaluates several skills. These include pre-trip vehicle inspection to ensure your bus is safe to drive, basic control skills like backing, parking, and turning, and on-road driving to assess your ability to handle a bus in different traffic situations. It also checks your ability to load and unload passengers, react to emergencies, and operate special features of the bus.

Yes, for a CDL Bus endorsement in Massachusetts, you must pass a Department of Transportation (DOT) physical examination. This examination ensures that you're physically capable of safely operating a commercial vehicle. It includes vision and hearing tests, blood pressure check, and an assessment of your overall physical condition. Any severe health issues that could interfere with driving safety may disqualify you.

No, it is not permissible to transport passengers without a valid CDL Bus endorsement in Massachusetts. Operating a commercial vehicle designed to carry 16 or more passengers, including the driver, requires a CDL with a Passenger (P) endorsement. Driving without the appropriate license or endorsement can result in hefty fines, penalties, and potentially the suspension of your driving privileges.

In Massachusetts, you can add the CDL Bus endorsement to your existing license. You don't need to apply for a new license. However, you must pass the Passenger Vehicles knowledge test and the skills test in a passenger vehicle of the same class that the applicant operates or expects to operate.

Yes, there are restrictions for drivers with a CDL Bus endorsement in Massachusetts. Drivers must not have any serious traffic violations within the past two years. They must pass a physical exam every two years, and they are subject to random drug and alcohol testing. Additionally, drivers must comply with hours-of-service regulations to prevent fatigue-related accidents.