Air Brakes Endorsement Test | New York 2025 #1

Train for FREE online with our New York 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 NY Class A/Class B driver license 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 the requirements for CDL may vary from state to state.

Number of Question 25

Passing Score 20

Number of Tests 20

1 . A one-way check valve:

Drains the water and compressor oil from the air tanks.

Prevents air from escaping if the air compressor has a leak.

Activates the emergency brakes when there is a leak.

Holds the spring brakes in position until they are used.

A one-way check valve is required to be between an air compressor and the first main reservoir. This valve prevents air from escaping the system if the air compressor develops a leak.

2 . During a walk-around inspection, ensure there are no cracks on the brake drums that are more than ____ of the width of the friction area.

One half

One quarter

One third

One tenth

Before beginning a trip, it is important to check the brake drums during your walk-around inspection. It is unsafe to drive if any brake drum has a crack more than one half of the width of the friction area.

3 . How is water and compressor oil removed from the bottom of an air storage tank?

The water and oil are siphoned out of the tank.

A drain valve is opened to remove the water and oil from the tank.

The water and oil are removed automatically as the brakes are used.

A sponge is used to soak up the water and oil.

Water and compressor oil are removed from air storage tanks through a drain valve. The water and oil can damage the brakes if left to accumulate in the system. Manually operated tanks must be drained every day to remove this build-up.

4 . How should you test the low pressure warning signal?

Engage and disable the parking brake.

Rapidly press and release the brake pedal.

Open the rear shut-off valves.

Uncouple and recouple all glad hands.

It is essential that your low pressure warning light functions properly. After allowing the system to charge, you can test the warning signal by rapidly applying and releasing the brake pedal. This will release air from the braking system and the warning signal should come on when pressure drops to a dangerous level.

5 . The air storage tanks:

Hold only enough air for one braking cycle.

Hold enough air for brakes to be used several times if the compressor stops working.

Do not hold air unless there is an emergency.

Hold enough air for more than 1,000 braking cycles.

In an air brake system, the air storage tanks hold enough air for brakes to be used several times if the compressor stops working.

6 . Which of the following is not a part of an air brake system?

A service brake system

A parking brake system

An emergency brake system

An axle brake system

Air brakes consists of three separate braking systems: the service brake system, the parking brake system, and the emergency brake system.

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2025 New York | Frequently Asked Questions

A CDL Class A license in New York allows the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, given that the GVWR of the vehicle(s) being towed is in excess of 10,000 pounds. This typically includes tractor-trailers and truck and trailer combinations.

A Class A CDL license in New York allows the operation of a variety of vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. It also includes any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more if the towed vehicle is over 10,000 pounds.

To obtain a Class A CDL license in New York, applicants must be at least 21 years old (18 for intrastate), possess a valid New York driver's license, pass a vision test, and successfully complete a written knowledge test. They also need to pass a skills test, which includes a pre-trip vehicle inspection, a basic controls test, and an on-road driving exam.

To qualify for a Class A CDL license in New York, you must be at least 21 years old for interstate travel. However, if you are between 18 and 20 years old, you can still obtain a Class A CDL but you are restricted to intrastate travel within New York State only.

Specific endorsements aren't required for a Class A CDL license, but they can enhance your driving privileges. Endorsements include T (Double/Triple Trailers), P (Passenger), N (Tank Vehicles), H (Hazardous Materials), and S (School Bus). Each endorsement requires passing additional knowledge and skills tests.

The Class A CDL skills test in New York encompasses three main areas. First, a pre-trip vehicle inspection to assess your ability to evaluate if your vehicle is safe. Second, a basic controls test to check your understanding of the vehicle's operations. Lastly, an on-road driving exam to demonstrate your driving skills in various traffic situations and maneuvers.

Yes, there are limitations. Class A CDL license holders in New York can't drive vehicles with manual transmission if they took their skills test on an automatic transmission vehicle. Additionally, restrictions may apply if the driver lacks air brake knowledge or fails the air brake component of the general knowledge test. Also, certain endorsements might be necessary for specific types of cargo.

Yes, it's possible to take the written Class A CDL test in languages other than English in New York. The New York DMV offers the written test in multiple languages. However, federal regulations require that all CDL holders understand and read English well enough to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.

Yes, accommodations can be made for the Class A CDL written test due to disability. New York State Department of Motor Vehicles (DMV) complies with the Americans with Disabilities Act (ADA). You can request special testing accommodations by completing form MV-44.5 "Application for License, Permit, or Non-Driver ID Card" and form MV-80U.1 "Application for an ADA Accommodation."

Yes, if you don't pass the Class A CDL written test in New York, you can retake it. However, there's a waiting period of at least one day before you can try again. Remember, you need to pay a test fee each time. It's advised to study the CDL manual thoroughly before reattempting.