Air Brakes #1
Air Brakes Endorsement Test | Montana 2025 #1 Page 4 of 4
Train for FREE online with our Montana 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 MT 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.
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19 . What color is the low air pressure warning light?
Purple
A low air pressure warning signal is required in vehicles with air brakes. The warning light is usually red and may be accompanied by a buzzer.
20 . 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 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.
21 . When you are about to start down a hill, you should switch into a ____ gear.
Before starting down a hill, be sure to switch into a low gear. Gravity will increase your vehicle's speed as you travel downhill.
22 . Why should you regularly drain the air tanks?
Compressed air usually contains a certain amount of moisture and compressor oil, which can build up in the air storage tanks and damage the brake system. The tanks should be drained to clean out these accumulations. On a tank with a manual drain valve, draining should be performed at the end of each day of driving.
23 . When you press the brake pedal in a vehicle with S-cam brakes, air pressure pushes out the rod and moves the:
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.
24 . The leakage rate for a single vehicle with air brakes should be no more than ____ in one minute during a static leakage test.
When performing a static leakage test on a single vehicle with air brakes, the leakage rate should be no more than 2 psi in a minute. If the air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.
25 . When the spring brakes are on, you should never:
Never push down the brake pedal while the spring brakes are activated. The combined force of springs and air pressure could damage the brakes.
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2025 Montana | Frequently Asked Questions
To acquire a CDL Tank endorsement in Montana, you must first have a Commercial Driver's License (CDL). After that, study for the tank endorsement test using the Montana CDL manual. Schedule and pass the written test at your local Montana Motor Vehicle Division. Upon passing, you'll receive your tank endorsement. Fees may apply.
To obtain a CDL Tank license, you must first hold a valid Commercial Driver's License (CDL). Then, prepare for the tank endorsement test using the appropriate study materials, such as the state's CDL manual. After studying, schedule and pass the written test at your local Motor Vehicle Division. A fee is typically required for this process.
Specific training or experience isn't mandatory for a CDL Tank endorsement in Montana. However, studying the CDL manual thoroughly is strongly recommended to pass the written test. Practical experience or training could also be beneficial for understanding the unique handling characteristics and safety considerations of driving a tank vehicle.
Yes, to obtain a CDL Tank endorsement in Montana, you'll need to pass an additional written test. This test covers specific knowledge related to the safe operation and handling of commercial tank vehicles. Studying the relevant sections of your state's CDL manual is crucial to pass this test.
The written test for the CDL Tank endorsement in Montana covers subjects like inspecting tank vehicles, safe driving for tank vehicles, safe loading and unloading procedures, and understanding the special characteristics of tanks. You'll also learn about handling emergencies, including different types of hazardous materials spills.
The CDL Tank endorsement assessment primarily focuses on knowledge rather than specific driving maneuvers. It evaluates your understanding of inspecting tank vehicles, recognizing high center of gravity and its impact, maintaining safe control on curves, turns, and railroad crossings, and managing emergency situations like hazardous spills. It's about ensuring you can safely operate a tank vehicle under various conditions.
Yes, there are certain limitations for drivers with a CDL Tank endorsement. They are only allowed to operate commercial tank vehicles and are restricted from transporting hazardous materials unless they also have a Hazmat endorsement. Additionally, they must comply with all federal and state regulations regarding transport of liquids and gases.
No, drivers cannot transport liquid or gas materials without a valid CDL Tank endorsement. This endorsement is required by federal regulations to ensure that drivers are properly trained and understand the safety precautions necessary when transporting these types of materials. Violating this requirement can result in severe penalties.
The CDL Tank endorsement can be added to your existing Commercial Driver's License (CDL). You don't need to apply for a new license. However, you will need to pass the Tank Vehicle endorsement written test. Once you pass, the endorsement is added to your existing CDL. Be sure to check with your local DMV for any specific state requirements.
Yes, there are specific regulations and prerequisites for handling hazardous materials with a CDL Tank endorsement in Montana. These include passing the CDL written test for hazardous materials, undergoing a TSA background check, completing a hazardous materials endorsement application, and paying the required fees. Additionally, individuals must meet certain age and experience requirements and adhere to federal regulations for transporting hazardous materials.
