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2026 Free Arkansas DMV Air Brakes Class B Test 1
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Question Number 4
4 . On a truck with air brakes, the braking system’s air compressor:
Pumps air into the air storage tanks.
Fills the tires.
Moves air to the back of the truck.
Cleans the brakes.
✔ Correct Answer:
Pumps air into the air storage tanks.
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