CDL Air Brakes Practice Test Results

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