🛞Colorado Air Brakes — Question 3 of 10
Characteristics of dual air brake systems include:
Answer: A
One brake pedal operates two separate air braking systems.
With a dual air brake system, the brake pedal operates two separate air brake systems. The primary air brake system controls the tractor's rear brakes, and the secondary system controls the tractor's front brakes.
Source: Colorado CDL Manual
All choices
- AOne brake pedal operates two separate air braking systems.
- BThe two systems are split diagonally, each controlling one front brake and the opposite rear brakes on the tractor.
- CThe two systems are split side-to-side with one controlling the left of the tractor and the other controlling the right.
Colorado CDL Air Brakes Test Info
Questions on Exam
25
Passing Score
80%
Time Limit
Typically 30 minutes; varies by testing location
Age Requirements
Intrastate: 18+ · Interstate: 21+
Colorado DMV
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More CDL Air Brakes Practice Questions
- To check the free play of manual slack adjusters of S-cam brakes, you should park on:
- A slack adjuster free play needs to be adjusted if it is more than about ____ when you pull hard on it.
- Stab braking:
- Which procedure is used in controlled braking?
- Which braking technique may be used to stop quickly when you do not have ABS?