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- Updated for December 2024
- Based on 2024 MT commercial driver's license manual
Free Montana CDL Air Brakes Test 2024
Montana is a state filled with people who believe in hard work, purpose and carefully guided progress. To that end, truck drivers in the state have to be able to fill whatever positions call for, and that may require many different specialized skills, not least of which is the ability to drive vehicles with air brakes. In order to receive your air brake qualification, you must take the air brake exam from the Montana Motor Vehicle Division. By practicing for the exam, you are more certain to pass it the first time. This practice exam features questions from the Montana Commercial Driver License Manual section on air brakes that will be featured in your exam. Each of the 30 multiple-choice questions has a hint, should you need it, and an explanation, which can help you gain more insight on each topic. Take the practice exam until you feel confident in your score, and you will soon be on your way to a well-rounded Montana commercial driving experience!
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
What to expect on the actual MT MVD exam
questions
correct answers to pass
passing score
List of questions (classic view)
- How would you check your truck's slack adjusters?
- Which of the following is NOT part of the air brake system?
- What is the best way to test your vehicle's low air pressure warning signal?
- Which of the following should you do before leaving your vehicle unattended?
- The tractor protection valve
- Which of the following is NOT part of the braking process when driving a tractor-trailer combination vehicle with an anti-lock braking system (ABS)?
- How do brakes work on a long, steep downgrade?
- When should you use the parking brake?
- How can you tell if your vehicle is equipped with an anti-lock braking system (ABS)?
- Which of the following is NOT part of the drum brake?
- The purpose of a supply pressure gauge is
- Slack adjusters are
- After the initial drop, the maximum acceptable leakage rates per minute are
- Under which conditions are front wheel brakes good?
- Which of the following are true about a dual air brake system?
- Spring brakes are
- Why must you pass a knowledge test on air brakes?
- When should you drain your air tanks?
- An anti-lock braking system (ABS)
- If the air tanks are not drained,
- At what measurement is the safety valve USUALLY set to open?
- What is the best way to test if your vehicle's spring brakes come on automatically?
- Which of the following can cause brakes to fade or fail?
- Which vehicles must have low air pressure warning signals?
- Which of the following will be true about your brake function if your anti-lock braking system (ABS) fails?
- The low air pressure warning signal will come on before the pressure in the air tanks falls below
- A low pressure warning signal is required on
- All vehicles equipped with air brakes have
- With air brake-equipped vehicles, the parking brakes should be used
- The use of air brakes on a downgrade is only a supplement to the
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