Air Brakes #2
Air Brakes Endorsement Test | Montana 2025 #2 Page 2 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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7 . What can happen if the air pressure gets too low in an air brake system?
Pressing and releasing the brake pedal unnecessarily can let air out of the braking system faster than the compressor can replace it. Air brakes may cease to work effectively if the pressure becomes too low.
8 . Brakes may get out of adjustment:
If they get wet.
Brakes can get out of adjustment quickly, especially if they are used to the point of overheating. Brake adjustment should be checked frequently.
9 . 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.
10 . 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.
11 . 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.
12 . 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.
See the exact questions that will be on the 2025 Montana DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
2025 Montana | Frequently Asked Questions
A CDL Class A license in Montana is defined as a commercial driver's license permitting the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the GVWR of the vehicle(s) being towed is over 10,000 pounds. It covers vehicles like tractor-trailers, truck and trailer combinations.
A Class A CDL license in Montana allows you to operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, and livestock carriers. It covers any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the towed vehicle(s) is over 10,000 pounds.
To obtain a Class A CDL license in Montana, you must be at least 18 years old (21 for interstate driving), possess a valid Montana driver's license, pass a vision test, and successfully complete both a written knowledge test and a skills test which includes a pre-trip vehicle inspection, a basic vehicle control test, and an on-road driving exam.
In Montana, you must be at least 18 years old to qualify for a Class A Commercial Driver's License (CDL) for intrastate driving (within Montana only). However, to drive interstate (across state lines) or carry hazardous materials, you must be at least 21 years old.
Endorsements are not required for a Class A CDL license, but they provide additional driving privileges. For instance, you may need a Hazardous Materials (H) endorsement to haul hazardous freight, a Tank (N) endorsement to drive tank vehicles, or a Passenger (P) endorsement to transport passengers. Each endorsement requires passing a specific knowledge test.
The Class A CDL skills test in Montana includes three sections: a pre-trip vehicle inspection to ensure the vehicle is safe to drive, a basic vehicle control test to verify your ability to control the vehicle, and an on-road driving exam to assess your ability to drive the vehicle in various road and traffic conditions.
Yes, there are limitations imposed on Class A CDL license holders. Some limitations or restrictions may include: not being permitted to operate a manual transmission if you passed your test in an automatic vehicle, not being allowed to drive a school bus without the proper endorsement, or being required to wear corrective lenses while driving if it's indicated on the license.
In Montana, the written Class A CDL test is primarily administered in English. This is in line with Federal regulations requiring all commercial drivers to read and speak English sufficiently to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, in Montana, accommodations can be made for the Class A CDL written test if you have a disability. You'll need to provide documentation of your disability and specify the type of accommodation needed. It's recommended to contact the Montana Motor Vehicle Division beforehand to ensure all necessary arrangements are made.
Yes, if you don't pass the Class A CDL written test in Montana, you can retake it. However, you must wait at least one day before attempting the test again. Keep in mind that each retest may involve additional fees. It's recommended to review and study the areas you struggled with before retaking the test.
