Based on 2024 NH CDL manual

Questions
25
Mistakes allowed
5
Passing score
80%
Official NH Air Brakes: What to Expect
25
Total number of questions

20
Number of questions required to pass

80
Percentage required to pass

New Hampshire Commercial Driver's License
New Hampshire Commercial Driver's License

Want to qualify to drive a truck with air brakes? Then you need to pass the state air brakes endorsement test. To determine your readiness for this test, take our New Hampshire CDL Air Brakes Practice Test today. Our test covers Air Brake System Parts, Dual Air Brake Systems, Inspecting Air Brakes and Using Air Brakes. There are 25 questions in all and you’ll need to answer at least 80% of them correctly in order to earn a passing grade. Each question is multiple and choice with four possible answers and you have to select the correct one. Questions are also taken from the New Hampshire CDL Handbook, which is also the resource that is used to generate the content for the actual air brakes test.

What do brake drums hold and where are they located? When the safety valve releases air what does that mean? You’ll find the answers to questions like these on the practice test. Plus, each question comes with an answer explanation so that you can learn why a certain answer is correct. In other words, this practice test is a valuable tool that you can use to boost your confidence and eliminate any pre-test jitters. You can take the test as many times as you like. So don’t delay, start taking it now to ensure you have the knowledge to earn your air brakes assessment so that you can start driving trucks with air brake systems.