Updated for 2023, Roehl's CDL Practice Test for the Air Brake portion of the Written Knowledge Test will walk you through a set of questions and answers. This test, along with the 2021 and 2022 versions features variations of the questions and answers you may find on the actual CDL Air Brakes Test.
We also provides two multiple choice CDL Practice Tests for the Air Brake portion of the Knowledge Test, both can be found here:
Version 1: https://www.roehl.jobs/driving-jobs/cdl-truck-driving-schools/cdl-practice-tests/air-brakes-cdl-practice-test
Version 2: https://www.roehl.jobs/driving-jobs/cdl-truck-driving-schools/cdl-practice-tests/air-brakes-cdl-practice-test-version-2