Based on 2024 NH commercial driver's license manual
Free New Hampshire CDL Air Brakes Test 2024
Today, you will have the opportunity to expand your New Hampshire CDL by practicing to achieve your air brake qualification. Currently, you may or may not have your CDL, and you intend you get your air brake qualification while getting it, or you may have a restriction and intend to get it removed. No matter what the situation, this practice exam will prepare you to get a great score. The 30 multiple-choice questions is based on those written in the New Hampshire CDL Driver’s Guide. Read the explanation accompanying each question closely, and come back to practice as often as you need to until you feel comfortable with the information, format, and time limits. Soon, you will be ready to pass your New Hampshire air brake exam and become a safer CDL driver!
Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
Triple-checked for accuracy
What you need to know
9 min to complete
Available in EN and ES
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
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Which of the following is NOT part of the braking process when you're driving a tractor-trailer combination vehicle with an anti-lock braking system (ABS)?
How do brakes work on a long, steep downgrade?
Which vehicles must have low air pressure warning signals?
Which of the following can cause brakes to fade or fail?
When should you drain your air tanks?
How would you check your truck's slack adjusters?
If the air tanks are not drained,
Which of the following will be true about your brake function if your anti-lock braking system (ABS) fails?
An anti-lock braking system (ABS)
Which of the following are true about a dual air brake system?
What is the best way to test if your vehicle's spring brakes come on automatically?
Which of the following is NOT part of the drum brake?
At what measurement is the safety valve USUALLY set to open?
Which of the following is NOT part of the air brake system?
How can you tell if your vehicle is equipped with an anti-lock braking system (ABS)?
When should you use the parking brake?
Which of the following should you do before leaving your vehicle unattended?
Slack adjusters are
After the initial drop, the maximum acceptable leakage rates per minute are
What is the best way to test your vehicle's low air pressure warning signal?
Spring brakes are
Under which conditions are front wheel brakes good?
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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Our commitment to accuracy and quality in our practice tests
Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
Written by Andrei ZakhareuskiUpdated over a week ago
At Driving-Tests.org, we understand the importance of reliable and accurate practice tests to help you prepare for your DMV exam. That's why we've developed a meticulous process to create and continually update our practice questions, ensuring they reflect the most current driving laws and regulations.
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Content Creation and Verification Process
Alignment with Official Manuals: Every question we develop is based on the most recent version of each state's official driving manual. Our team regularly monitors each state DMV's website for the latest updates to ensure our practice tests are always aligned with the most current information.
Community Feedback Integration: We leverage feedback from our vast community of users to understand which topics are most frequently tested. This helps us focus on the areas that are most relevant and beneficial for your preparation.
Expert Content Creation: Our in-house editor, Steven, who has extensive experience in driver education, crafts each question with precision. He conducts a thorough review of each question against the official manuals to ensure accuracy.
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Responsive Updates: In line with our commitment to accuracy, we quickly update our practice questions to reflect any changes in the DMV manuals. Additionally, we update the free electronic copy of the state's driver's license manuals on our site, typically within a few days after the DMV publishes them.
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