This practice test is designed to help you prepare for the Air Brake written test. Once you have completed the test, you may view your test results to see which questions were answered incorrectly.
A score of 80% is required to pass the test.
In other words: You must get at least 72 correct answers, or no more than 18 incorrect answers on this test to pass.
You may retake the test as often as you like. GOOD LUCK!!!