Air Brakes

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Вопрос 9 из 11Верные ответы: 0
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Более 370 вопросов CDL с переводом теперь в мобильном приложении.

If your truck or bus has dual parking control valves, you can use pressure from a separate tank to:

ARelease the spring emergency/parking brakes to move a short distance.
BBalance the service brake system when you are parked.
CStay parked twice as long without using up service air pressure.