Seeking to remove the air brakes restriction from your CDL? Our free Washington CDL Air Brakes Practice Test will help you prepare to do just that. This replica of the real test features similar content and a similar format so that you are able to excel when you visit the DMV and take your air brakes test. Passing the air brakes test will allow you to begin driving trucks with air brakes, which are very plentiful in today’s marketplace. Air brakes have been shown to be an effective way to stop large trucks.
On our practice test you’ll be required to answer 25 questions covering air brake systems, air brake components and how to use air brakes. All questions are drawn from the Washington CDL Handbook, which is the same resource used for the actual air brakes test. Are you able to answer questions like these: because oil and water usually collect in compressed air tanks, if you do not have an automatic tank drain, when should you drain the air tanks? Also, what can legally hold a parking or emergency brake in position for a truck, truck tractor or bus? Answers to these types of questions are provided on this practice test along with answer explanations. Ready to assess your knowledge and take another step closer to being able to drive trucks with air brakes? Take our practice test now, you need a score of 80% or higher to pass.