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2026 District Of Columbia DMV Air Brakes Class A Test 2
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Question Number 25
25. Vehicles with dual air brake systems:
Maintain full-capacity air pressure in the braking systems even when the vehicle is not running.
Maintain some air pressure in the braking systems when the vehicle is not running.
Must be run to build enough air pressure to brakes to operate properly.
Do not need time to build air pressure before a trip.
✔ Correct Answer:
Must be run to build enough air pressure to brakes to operate properly.
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