CDL Air Brakes Practice Test Results

Question 1
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 2
66% answer correctly
Slack adjusters adjust which of the following?
Slack in the brakes
Air tank pressure
Slack in the service line
Spring brake tension
Question 3
43% answer correctly
A dual air brake system is one in which:
Two brake systems use the same set of brake controls
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