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2024 ND CDL Practice Test: Air Brakes - Test

6. A dual air brake system:
A
Is a single air brake system with two different sets of controls.
B
Consists of two separate air brake systems that share a single set of controls.
C
Consists of one air brake system for the left side of the truck and one system for the right side of the truck, each with its own set of controls.
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