1.

2. What is the service brake used for?

3. The best way to reduce rough and abrupt braking is to?

4. Most air brake systems will use automatic valves to?

5. What powers the air brakes air compressor system?

6. When inspecting an air brake system, the person inspecting should wear?

7. Manufactures recommend draining moisture and oil in an air system on a _______ basis.

8. Which can contaminate a brake systems air lines?

9. What happens to the air valve when you press down the brake?

10. Where is the air pressure gauge for the air brake system?

11. Any commercial vehicle with air brakes must not lose system pressure with the brakes applied at a rate of more than?

12. What should you do when the air brakes low pressure warning comes on?

13. What is the “cut-out” level?

14. Why is it important to know where your air system releases air pressure from?

15. Doing this will put unnecessary strain on your vehicles braking system.

16. The air system pressure range must be between _________.

17. Which of these is not part of an air brake system?

18. Spring brakes will begin to apply when the pressure starts to drop below?

19. Which of these vehicles would usually have an air brake system?

20. What does a governor do in an air brake system?