16. Which event should happen when the pressure reaches between 45-20 PSI?
The Springs brakes should pop out
17. What’s the air pressure expected in the system for the Low Pressure Warning to be turned ON?
Before 60 PSI
18. What’s the right sequence and the difference of PSI for the Spring brakes pop out?
Red valve first and Yellow valve second, with 5 PSI
19. Which pre-trip test is also known as the “3 PSI test”?
The Static test
20. This pre-trip test checks for leaks on the Service line: