CDL Air Brakes Practice Test Results

Question 1
66% answer correctly
Slack adjusters adjust which of the following?
Slack in the brakes
Slack in the service line
Air tank pressure
Spring brake tension
Question 2
66% answer correctly
Slack adjusters adjust which of the following?
Spring brake tension
Slack in the service line
Slack in the brakes
Air tank pressure
Question 3
43% answer correctly
A dual air brake system is one in which:
Two sets of brake controls operate a single brake system
Two brake systems that each have their own set of controls
Two control systems that each have their own set of breaks
Two brake systems use the same set of brake controls