🛞Illinois Air Brakes — Question 7 of 20

Your truck has a dual air system and one of the systems loses its pressure. What will happen?

Illinois 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+

Illinois Secretary of State

Official CDL Portal

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