+1
In Partnership with Earlham Public Library

FREE Iowa CDL Air Brakes Test 2018 | IA

Today, you will be taking a practice exam, based on information from the Iowa Commercial Driver License Manual, to prepare for the exam that will allow you to drive vehicles with air brakes. The questions have been written based closely on the kinds that you will find on the real DMV exam, so practice often, and pay close attention to the hints and explanations included. Reading them will help you prepare to answer questions in the future on your air brake exam. Keep studying, practice until you have a score you feel confident in, and keep driving safely!

Your Progress
5 mistakes allowed to pass
Passing score required at the IA DOT: 80%
We're preparing your test...
Report a problem
Back to the IA menu

More IA CDL Resources:

  1. IA CDL General Knowledge Test
  2. IA CDL General Knowledge Test 2
  3. IA CDL General Knowledge Test 3
  4. IA CDL General Knowledge Test 4
  5. IA CDL General Knowledge Test 5
  6. IA CDL General Knowledge Test 6
  7. IA CDL General Knowledge Marathon
  8. IA CDL General Knowledge Exam Simulator
  9. IA CDL HazMat Test
  10. IA CDL HazMat Test 2
  11. IA CDL HazMat Test 3
  12. IA CDL HazMat Marathon
  13. IA CDL HazMat Exam Simulator
  14. IA CDL School Bus Test
  15. IA CDL School Bus Test 2
  16. IA CDL School Bus Test 3
  17. IA CDL School Bus Marathon
  1. IA CDL School Bus Exam Simulator
  2. IA CDL Passenger Vehicles Test
  3. IA CDL Passenger Vehicles Test 2
  4. IA CDL Passenger Vehicles Test 3
  5. IA CDL Passenger Vehicles Marathon
  6. IA CDL Passenger Vehicles Exam Simulator
  7. IA CDL Air Brakes Test (you are here)
  8. IA CDL Air Brakes Test 2
  9. IA CDL Air Brakes Test 3
  10. IA CDL Air Brakes Test 4
  11. IA CDL Air Brakes Marathon
  12. IA CDL Air Brakes Exam Simulator
  13. IA CDL Combination Vehicles Test
  14. IA CDL Combination Vehicles Test 2
  15. IA CDL Combination Vehicles Test 3
  16. IA CDL Combination Vehicles Test 4
  17. IA CDL Combination Vehicles Marathon
  1. IA CDL Combination Vehicles Exam Simulator
  2. IA CDL Double/Triple Trailers Test
  3. IA CDL Double/Triple Trailers Test 2
  4. IA CDL Double/Triple Trailers Test 3
  5. IA CDL Double/Triple Trailers Marathon
  6. IA CDL Double/Triple Trailers Exam Simulator
  7. IA CDL Tanker Vehicles Test
  8. IA CDL Tanker Vehicles Test 2
  9. IA CDL Tanker Vehicles Test 3
  10. IA CDL Tanker Vehicles Marathon
  11. IA CDL Tanker Vehicles Exam Simulator
  12. IA CDL Pre-Trip Inspection Test
  13. IA CDL Pre-Trip Inspection Test 2
  14. IA CDL Pre-Trip Inspection Test 3
  15. IA CDL Pre-Trip Inspection Marathon
  16. IA CDL Pre-Trip Inspection Exam Simulator