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2026 District Of Columbia DMV Air Brakes Class B Test 1
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Question Number 9
9. Air tanks usually hold enough compressed air:
For one stop before needing to be refilled.
For several stops before needing to be refilled.
For a day’s worth of braking.
For an unlimited number of stops.
✔ Correct Answer:
For several stops before needing to be refilled.
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