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

In New York, to acquire a CDL Tank endorsement, you must first have a Commercial Driver's License (CDL). Afterward, study the tank endorsement section of the NY CDL manual. Then, schedule and pass the tank endorsement written test at a DMV office. The test typically covers topics like inspecting tank vehicles, driving tank vehicles, and safe driving rules.

To obtain a CDL Tank license, the essential steps are: possessing a valid Commercial Driver's License (CDL), studying the tank endorsement section of your state's CDL manual, and passing the tank endorsement written test at your local DMV office. This test usually covers topics such as inspecting and driving tank vehicles, and following safe driving rules.

While specific training or prior experience isn't mandatory for a CDL Tank endorsement, it's highly recommended. Understanding the handling characteristics of tank vehicles and knowing how to inspect them is crucial. Studying the tank endorsement section of your state's CDL manual and possibly taking a training course can greatly improve your chances of passing the endorsement test.

Yes, to obtain a CDL Tank endorsement, you must pass the Tank Vehicle (N) endorsement knowledge test. This written exam tests your knowledge on safety rules and regulations related to tank vehicles. It's recommended to study the Tank Vehicle section of the CDL manual to prepare for this test.

The written test for the CDL Tank endorsement includes subjects such as hazardous materials regulations, safe driving practices, tank vehicle inspection, and proper loading and unloading procedures. It also covers topics like emergency response, tanker truck rollover prevention, and the use of baffles and surge suppressors.

The CDL Tank endorsement assessment primarily focuses on the driver's understanding and ability to handle liquid cargo. It evaluates the driver's knowledge of high center of gravity, surge, baffles, outage, inspecting tank vehicles, and safe driving rules. It doesn't typically involve specific maneuvers but will assess your overall control and safety practices when operating a tank vehicle.

Drivers with a CDL Tank endorsement must adhere to specific regulations. They cannot operate a tank vehicle with a capacity of 1,000 gallons or more if they are under 21 years old. Also, they must pass a specific written test to obtain the endorsement. Additionally, they are subject to random drug and alcohol testing and must maintain a clean driving record.

No, a driver cannot transport liquid or gas materials without a valid CDL Tank endorsement. This endorsement is required for operating a commercial vehicle that is designed to transport any liquid or gaseous materials within a tank or tanks having an individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1,000 gallons or more.

The CDL Tank endorsement can be added to your current CDL. You don't need to apply for a new license. However, you will have to pass the Tank Vehicle written test. After passing the test, the endorsement will be added to your CDL, allowing you to legally operate tank vehicles.

Yes, handling hazardous materials with a CDL Tank endorsement requires additional regulations. Drivers must obtain a Hazardous Materials (HazMat) endorsement, which involves passing a written test and a TSA background check. Also, these drivers must follow specific safety procedures for loading, unloading, and transporting hazardous materials to prevent accidents or spills.